Update vendor slack-go/slack (#1068)

23 files changed, 1001 insertions, 189 deletions

diff --git a/go.mod b/go.mod
index cd77f53e..4ba92501 100644
--- a/go.mod
+++ b/go.mod
@@ -45,7 +45,7 @@ require (
 	github.com/saintfish/chardet v0.0.0-20120816061221-3af4cd4741ca
 	github.com/shazow/ssh-chat v1.8.3-0.20200308224626-80ddf1f43a98
 	github.com/sirupsen/logrus v1.4.2
-	github.com/slack-go/slack v0.6.3-0.20200228121756-f56d616d5901
+	github.com/slack-go/slack v0.6.3
 	github.com/spf13/viper v1.6.1
 	github.com/stretchr/testify v1.4.0
 	github.com/technoweenie/multipartstreamer v1.0.1 // indirect
diff --git a/go.sum b/go.sum
index 94488e8d..bede12d2 100644
--- a/go.sum
+++ b/go.sum
@@ -167,6 +167,8 @@ github.com/nelsonken/gomf v0.0.0-20180504123937-a9dd2f9deae9 h1:mp6tU1r0xLostUGL
 github.com/nelsonken/gomf v0.0.0-20180504123937-a9dd2f9deae9/go.mod h1:A5SRAcpTemjGgIuBq6Kic2yHcoeUFWUinOAlMP/i9xo=
 github.com/nicksnyder/go-i18n v1.4.0 h1:AgLl+Yq7kg5OYlzCgu9cKTZOyI4tD/NgukKqLqC8E+I=
 github.com/nicksnyder/go-i18n v1.4.0/go.mod h1:HrK7VCrbOvQoUAQ7Vpy7i87N7JZZZ7R2xBGjv0j365Q=
+github.com/nlopes/slack v0.6.0 h1:jt0jxVQGhssx1Ib7naAOZEZcGdtIhTzkP0nopK0AsRA=
+github.com/nlopes/slack v0.6.0/go.mod h1:JzQ9m3PMAqcpeCam7UaHSuBuupz7CmpjehYMayT6YOk=
 github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
 github.com/onsi/ginkgo v1.6.0 h1:Ix8l273rp3QzYgXSR+c8d1fTG7UPgYkOSELPhiY/YGw=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
@@ -214,8 +216,8 @@ github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/skip2/go-qrcode v0.0.0-20190110000554-dc11ecdae0a9 h1:lpEzuenPuO1XNTeikEmvqYFcU37GVLl8SRNblzyvGBE=
 github.com/skip2/go-qrcode v0.0.0-20190110000554-dc11ecdae0a9/go.mod h1:PLPIyL7ikehBD1OAjmKKiOEhbvWyHGaNDjquXMcYABo=
-github.com/slack-go/slack v0.6.3-0.20200228121756-f56d616d5901 h1:sXIMY2YPYEm5NoGMCrJC50N+8t9W6vbY9qr61zcLEAE=
-github.com/slack-go/slack v0.6.3-0.20200228121756-f56d616d5901/go.mod h1:ZUNi+O1Pwr2ch2UOp2AfF+s7QYQgwht2Cd1UTeIYw9A=
+github.com/slack-go/slack v0.6.3 h1:qU037g8gQ71EuH6S9zYKnvYrEUj0fLFH4HFekFqBoRU=
+github.com/slack-go/slack v0.6.3/go.mod h1:HE4RwNe7YpOg/F0vqo5PwXH3Hki31TplTvKRW9dGGaw=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
diff --git a/vendor/github.com/slack-go/slack/Makefile b/vendor/github.com/slack-go/slack/Makefile
index 1c64747d..72796401 100644
--- a/vendor/github.com/slack-go/slack/Makefile
+++ b/vendor/github.com/slack-go/slack/Makefile
@@ -25,12 +25,12 @@ lint:
 	@go vet .
 
 test:
-	@go test -count=1 -timeout 300s -short .
+	@go test -v -count=1 -timeout 300s -short ./...
 
 test-race:
-	@go test -count=1 -timeout 300s -short -race .
+	@go test -v -count=1 -timeout 300s -short -race ./...
 
 test-integration:
-	@go test -count=1 -timeout 600s .
+	@go test -v -count=1 -timeout 600s ./...
 
 pr-prep: fmt lint test-race test-integration
diff --git a/vendor/github.com/slack-go/slack/auth.go b/vendor/github.com/slack-go/slack/auth.go
index dc1dbcdf..f4f7f003 100644
--- a/vendor/github.com/slack-go/slack/auth.go
+++ b/vendor/github.com/slack-go/slack/auth.go
@@ -27,7 +27,7 @@ func (api *Client) SendAuthRevoke(token string) (*AuthRevokeResponse, error) {
 	return api.SendAuthRevokeContext(context.Background(), token)
 }
 
-// SendAuthRevokeContext will retrieve the satus from api.test
+// SendAuthRevokeContext will send a revocation request for our token to api.revoke with context
 func (api *Client) SendAuthRevokeContext(ctx context.Context, token string) (*AuthRevokeResponse, error) {
 	if token == "" {
 		token = api.token
diff --git a/vendor/github.com/slack-go/slack/block.go b/vendor/github.com/slack-go/slack/block.go
index 32ff260c..dbc34496 100644
--- a/vendor/github.com/slack-go/slack/block.go
+++ b/vendor/github.com/slack-go/slack/block.go
@@ -14,6 +14,7 @@ const (
 	MBTImage   MessageBlockType = "image"
 	MBTAction  MessageBlockType = "actions"
 	MBTContext MessageBlockType = "context"
+	MBTFile    MessageBlockType = "file"
 	MBTInput   MessageBlockType = "input"
 )
 
diff --git a/vendor/github.com/slack-go/slack/block_conv.go b/vendor/github.com/slack-go/slack/block_conv.go
index ce48ce19..43c0c96b 100644
--- a/vendor/github.com/slack-go/slack/block_conv.go
+++ b/vendor/github.com/slack-go/slack/block_conv.go
@@ -56,20 +56,16 @@ func (b *Blocks) UnmarshalJSON(data []byte) error {
 			block = &ContextBlock{}
 		case "divider":
 			block = &DividerBlock{}
+		case "file":
+			block = &FileBlock{}
 		case "image":
 			block = &ImageBlock{}
 		case "input":
 			block = &InputBlock{}
 		case "section":
 			block = &SectionBlock{}
-		case "rich_text":
-			// for now ignore the (complex) content of rich_text blocks until we can fully support it
-			continue
-		case "file":
-			// for now ignore the file blocks until we can fully support it
-			continue
 		default:
-			return errors.New("unsupported block type")
+			block = &UnknownBlock{}
 		}
 
 		err = json.Unmarshal(r, block)
@@ -253,12 +249,36 @@ func (a *Accessory) UnmarshalJSON(data []byte) error {
 			return err
 		}
 		a.DatePickerElement = element.(*DatePickerBlockElement)
-	case "static_select":
+	case "plain_text_input":
+		element, err := unmarshalBlockElement(r, &PlainTextInputBlockElement{})
+		if err != nil {
+			return err
+		}
+		a.PlainTextInputElement = element.(*PlainTextInputBlockElement)
+	case "radio_buttons":
+		element, err := unmarshalBlockElement(r, &RadioButtonsBlockElement{})
+		if err != nil {
+			return err
+		}
+		a.RadioButtonsElement = element.(*RadioButtonsBlockElement)
+	case "static_select", "external_select", "users_select", "conversations_select", "channels_select":
 		element, err := unmarshalBlockElement(r, &SelectBlockElement{})
 		if err != nil {
 			return err
 		}
 		a.SelectElement = element.(*SelectBlockElement)
+	case "multi_static_select", "multi_external_select", "multi_users_select", "multi_conversations_select", "multi_channels_select":
+		element, err := unmarshalBlockElement(r, &MultiSelectBlockElement{})
+		if err != nil {
+			return err
+		}
+		a.MultiSelectElement = element.(*MultiSelectBlockElement)
+	default:
+		element, err := unmarshalBlockElement(r, &UnknownBlockElement{})
+		if err != nil {
+			return err
+		}
+		a.UnknownElement = element.(*UnknownBlockElement)
 	}
 
 	return nil
@@ -285,9 +305,18 @@ func toBlockElement(element *Accessory) BlockElement {
 	if element.DatePickerElement != nil {
 		return element.DatePickerElement
 	}
+	if element.PlainTextInputElement != nil {
+		return element.PlainTextInputElement
+	}
+	if element.RadioButtonsElement != nil {
+		return element.RadioButtonsElement
+	}
 	if element.SelectElement != nil {
 		return element.SelectElement
 	}
+	if element.MultiSelectElement != nil {
+		return element.MultiSelectElement
+	}
 
 	return nil
 }
diff --git a/vendor/github.com/slack-go/slack/block_element.go b/vendor/github.com/slack-go/slack/block_element.go
index e0a7bf96..8460e957 100644
--- a/vendor/github.com/slack-go/slack/block_element.go
+++ b/vendor/github.com/slack-go/slack/block_element.go
@@ -8,6 +8,7 @@ const (
 	METOverflow       MessageElementType = "overflow"
 	METDatepicker     MessageElementType = "datepicker"
 	METPlainTextInput MessageElementType = "plain_text_input"
+	METRadioButtons   MessageElementType = "radio_buttons"
 
 	MixedElementImage MixedElementType = "mixed_image"
 	MixedElementText  MixedElementType = "mixed_text"
@@ -17,6 +18,12 @@ const (
 	OptTypeUser          string = "users_select"
 	OptTypeConversations string = "conversations_select"
 	OptTypeChannels      string = "channels_select"
+
+	MultiOptTypeStatic        string = "multi_static_select"
+	MultiOptTypeExternal      string = "multi_external_select"
+	MultiOptTypeUser          string = "multi_users_select"
+	MultiOptTypeConversations string = "multi_conversations_select"
+	MultiOptTypeChannels      string = "multi_channels_select"
 )
 
 type MessageElementType string
@@ -32,11 +39,15 @@ type MixedElement interface {
 }
 
 type Accessory struct {
-	ImageElement      *ImageBlockElement
-	ButtonElement     *ButtonBlockElement
-	OverflowElement   *OverflowBlockElement
-	DatePickerElement *DatePickerBlockElement
-	SelectElement     *SelectBlockElement
+	ImageElement          *ImageBlockElement
+	ButtonElement         *ButtonBlockElement
+	OverflowElement       *OverflowBlockElement
+	DatePickerElement     *DatePickerBlockElement
+	PlainTextInputElement *PlainTextInputBlockElement
+	RadioButtonsElement   *RadioButtonsBlockElement
+	SelectElement         *SelectBlockElement
+	MultiSelectElement    *MultiSelectBlockElement
+	UnknownElement        *UnknownBlockElement
 }
 
 // NewAccessory returns a new Accessory for a given block element
@@ -50,11 +61,17 @@ func NewAccessory(element BlockElement) *Accessory {
 		return &Accessory{OverflowElement: element.(*OverflowBlockElement)}
 	case *DatePickerBlockElement:
 		return &Accessory{DatePickerElement: element.(*DatePickerBlockElement)}
+	case *PlainTextInputBlockElement:
+		return &Accessory{PlainTextInputElement: element.(*PlainTextInputBlockElement)}
+	case *RadioButtonsBlockElement:
+		return &Accessory{RadioButtonsElement: element.(*RadioButtonsBlockElement)}
 	case *SelectBlockElement:
 		return &Accessory{SelectElement: element.(*SelectBlockElement)}
+	case *MultiSelectBlockElement:
+		return &Accessory{MultiSelectElement: element.(*MultiSelectBlockElement)}
+	default:
+		return &Accessory{UnknownElement: element.(*UnknownBlockElement)}
 	}
-
-	return nil
 }
 
 // BlockElements is a convenience struct defined to allow dynamic unmarshalling of
@@ -63,6 +80,20 @@ type BlockElements struct {
 	ElementSet []BlockElement `json:"elements,omitempty"`
 }
 
+// UnknownBlockElement any block element that this library does not directly support.
+// See the "Rich Elements" section at the following URL:
+// https://api.slack.com/changelog/2019-09-what-they-see-is-what-you-get-and-more-and-less
+// New block element types may be introduced by Slack at any time; this is a catch-all for any such block elements.
+type UnknownBlockElement struct {
+	Type     MessageElementType `json:"type"`
+	Elements BlockElements
+}
+
+// ElementType returns the type of the Element
+func (s UnknownBlockElement) ElementType() MessageElementType {
+	return s.Type
+}
+
 // ImageBlockElement An element to insert an image - this element can be used
 // in section and context blocks only. If you want a block with only an image
 // in it, you're looking for the image block.
@@ -135,6 +166,20 @@ func NewButtonBlockElement(actionID, value string, text *TextBlockObject) *Butto
 	}
 }
 
+// OptionsResponse defines the response used for select block typahead.
+//
+// More Information: https://api.slack.com/reference/block-kit/block-elements#external_multi_select
+type OptionsResponse struct {
+	Options []*OptionBlockObject `json:"options,omitempty"`
+}
+
+// OptionGroupsResponse defines the response used for select block typahead.
+//
+// More Information: https://api.slack.com/reference/block-kit/block-elements#external_multi_select
+type OptionGroupsResponse struct {
+	OptionGroups []*OptionGroupBlockObject `json:"option_groups,omitempty"`
+}
+
 // SelectBlockElement defines the simplest form of select menu, with a static list
 // of options passed in when defining the element.
 //
@@ -149,7 +194,7 @@ type SelectBlockElement struct {
 	InitialUser         string                    `json:"initial_user,omitempty"`
 	InitialConversation string                    `json:"initial_conversation,omitempty"`
 	InitialChannel      string                    `json:"initial_channel,omitempty"`
-	MinQueryLength      int                       `json:"min_query_length,omitempty"`
+	MinQueryLength      *int                      `json:"min_query_length,omitempty"`
 	Confirm             *ConfirmationBlockObject  `json:"confirm,omitempty"`
 }
 
@@ -185,6 +230,56 @@ func NewOptionsGroupSelectBlockElement(
 	}
 }
 
+// MultiSelectBlockElement defines a multiselect menu, with a static list
+// of options passed in when defining the element.
+//
+// More Information: https://api.slack.com/reference/messaging/block-elements#multi_select
+type MultiSelectBlockElement struct {
+	Type                 string                    `json:"type,omitempty"`
+	Placeholder          *TextBlockObject          `json:"placeholder,omitempty"`
+	ActionID             string                    `json:"action_id,omitempty"`
+	Options              []*OptionBlockObject      `json:"options,omitempty"`
+	OptionGroups         []*OptionGroupBlockObject `json:"option_groups,omitempty"`
+	InitialOptions       []*OptionBlockObject      `json:"initial_options,omitempty"`
+	InitialUsers         []string                  `json:"initial_users,omitempty"`
+	InitialConversations []string                  `json:"initial_conversations,omitempty"`
+	InitialChannels      []string                  `json:"initial_channels,omitempty"`
+	MinQueryLength       *int                      `json:"min_query_length,omitempty"`
+	Confirm              *ConfirmationBlockObject  `json:"confirm,omitempty"`
+}
+
+// ElementType returns the type of the Element
+func (s MultiSelectBlockElement) ElementType() MessageElementType {
+	return MessageElementType(s.Type)
+}
+
+// NewOptionsMultiSelectBlockElement returns a new instance of SelectBlockElement for use with
+// the Options object only.
+func NewOptionsMultiSelectBlockElement(optType string, placeholder *TextBlockObject, actionID string, options ...*OptionBlockObject) *MultiSelectBlockElement {
+	return &MultiSelectBlockElement{
+		Type:        optType,
+		Placeholder: placeholder,
+		ActionID:    actionID,
+		Options:     options,
+	}
+}
+
+// NewOptionsGroupMultiSelectBlockElement returns a new instance of MultiSelectBlockElement for use with
+// the Options object only.
+func NewOptionsGroupMultiSelectBlockElement(
+	optType string,
+	placeholder *TextBlockObject,
+	actionID string,
+	optGroups ...*OptionGroupBlockObject,
+) *MultiSelectBlockElement {
+	return &MultiSelectBlockElement{
+		Type:         optType,
+		Placeholder:  placeholder,
+		ActionID:     actionID,
+		OptionGroups: optGroups,
+	}
+}
+
 // OverflowBlockElement defines the fields needed to use an overflow element.
 // And Overflow Element is like a cross between a button and a select menu -
 // when a user clicks on this overflow button, they will be presented with a
@@ -238,10 +333,11 @@ func NewDatePickerBlockElement(actionID string) *DatePickerBlockElement {
 	}
 }
 
-// PlainTextInputBlockElement creates a field where a user can enter freeform data.
+// PlainTextInputBlockElement creates a field where a user can enter freeform
+// data.
 // Plain-text input elements are currently only available in modals.
 //
-// More Information: https://api.slack.com/reference/messaging/block-elements#input
+// More Information: https://api.slack.com/reference/block-kit/block-elements#input
 type PlainTextInputBlockElement struct {
 	Type         MessageElementType `json:"type"`
 	ActionID     string             `json:"action_id"`
@@ -257,7 +353,8 @@ func (s PlainTextInputBlockElement) ElementType() MessageElementType {
 	return s.Type
 }
 
-// NewPlainTextInputBlockElement returns an instance of a plain-text input element
+// NewPlainTextInputBlockElement returns an instance of a plain-text input
+// element
 func NewPlainTextInputBlockElement(placeholder *TextBlockObject, actionID string) *PlainTextInputBlockElement {
 	return &PlainTextInputBlockElement{
 		Type:        METPlainTextInput,
@@ -265,3 +362,29 @@ func NewPlainTextInputBlockElement(placeholder *TextBlockObject, actionID string
 		Placeholder: placeholder,
 	}
 }
+
+// RadioButtonsBlockElement defines an element which lets users choose one item
+// from a list of possible options.
+//
+// More Information: https://api.slack.com/reference/block-kit/block-elements#radio
+type RadioButtonsBlockElement struct {
+	Type          MessageElementType       `json:"type"`
+	ActionID      string                   `json:"action_id"`
+	Options       []*OptionBlockObject     `json:"options"`
+	InitialOption *OptionBlockObject       `json:"initial_option,omitempty"`
+	Confirm       *ConfirmationBlockObject `json:"confirm,omitempty"`
+}
+
+// ElementType returns the type of the Element
+func (s RadioButtonsBlockElement) ElementType() MessageElementType {
+	return s.Type
+}
+
+// NewRadioButtonsBlockElement returns an instance of a radio buttons element.
+func NewRadioButtonsBlockElement(actionID string, options ...*OptionBlockObject) *RadioButtonsBlockElement {
+	return &RadioButtonsBlockElement{
+		Type:     METRadioButtons,
+		ActionID: actionID,
+		Options:  options,
+	}
+}
diff --git a/vendor/github.com/slack-go/slack/block_file.go b/vendor/github.com/slack-go/slack/block_file.go
new file mode 100644
index 00000000..ac4453f7
--- /dev/null
+++ b/vendor/github.com/slack-go/slack/block_file.go
@@ -0,0 +1,26 @@
+package slack
+
+// FileBlock defines data that is used to display a remote file.
+//
+// More Information: https://api.slack.com/reference/block-kit/blocks#file
+type FileBlock struct {
+	Type       MessageBlockType `json:"type"`
+	BlockID    string           `json:"block_id,omitempty"`
+	ExternalID string           `json:"external_id"`
+	Source     string           `json:"source"`
+}
+
+// BlockType returns the type of the block
+func (s FileBlock) BlockType() MessageBlockType {
+	return s.Type
+}
+
+// NewFileBlock returns a new instance of a file block
+func NewFileBlock(blockID string, externalID string, source string) *FileBlock {
+	return &FileBlock{
+		Type:       MBTFile,
+		BlockID:    blockID,
+		ExternalID: externalID,
+		Source:     source,
+	}
+}
diff --git a/vendor/github.com/slack-go/slack/block_input.go b/vendor/github.com/slack-go/slack/block_input.go
index 9d082038..10638cd9 100644
--- a/vendor/github.com/slack-go/slack/block_input.go
+++ b/vendor/github.com/slack-go/slack/block_input.go
@@ -1,10 +1,8 @@
 package slack
 
-// InputBlock defines data that is used to collect information from users -
-// it can hold a plain-text input element, a select menu element,
-// a multi-select menu element, or a datepicker.
+// InputBlock defines data that is used to display user input fields.
 //
-// More Information: https://api.slack.com/reference/messaging/blocks#input
+// More Information: https://api.slack.com/reference/block-kit/blocks#input
 type InputBlock struct {
 	Type     MessageBlockType `json:"type"`
 	BlockID  string           `json:"block_id,omitempty"`
@@ -19,7 +17,7 @@ func (s InputBlock) BlockType() MessageBlockType {
 	return s.Type
 }
 
-// NewInputBlock returns a new instance of an Input Block
+// NewInputBlock returns a new instance of an input block
 func NewInputBlock(blockID string, label *TextBlockObject, element BlockElement) *InputBlock {
 	return &InputBlock{
 		Type:    MBTInput,
diff --git a/vendor/github.com/slack-go/slack/block_object.go b/vendor/github.com/slack-go/slack/block_object.go
index 824ec93c..cf3536d0 100644
--- a/vendor/github.com/slack-go/slack/block_object.go
+++ b/vendor/github.com/slack-go/slack/block_object.go
@@ -145,6 +145,14 @@ func NewTextBlockObject(elementType, text string, emoji, verbatim bool) *TextBlo
 	}
 }
 
+// BlockType returns the type of the block
+func (t TextBlockObject) BlockType() MessageBlockType {
+	if t.Type == "mrkdown" {
+		return MarkdownType
+	}
+	return PlainTextType
+}
+
 // ConfirmationBlockObject defines a dialog that provides a confirmation step to
 // any interactive element. This dialog will ask the user to confirm their action by
 // offering a confirm and deny buttons.
diff --git a/vendor/github.com/slack-go/slack/block_unknown.go b/vendor/github.com/slack-go/slack/block_unknown.go
new file mode 100644
index 00000000..97054c73
--- /dev/null
+++ b/vendor/github.com/slack-go/slack/block_unknown.go
@@ -0,0 +1,13 @@
+package slack
+
+// UnknownBlock represents a block type that is not yet known. This block type exists to prevent Slack from introducing
+// new and unknown block types that break this library.
+type UnknownBlock struct {
+	Type    MessageBlockType `json:"type"`
+	BlockID string           `json:"block_id,omitempty"`
+}
+
+// BlockType returns the type of the block
+func (b UnknownBlock) BlockType() MessageBlockType {
+	return b.Type
+}
diff --git a/vendor/github.com/slack-go/slack/channels.go b/vendor/github.com/slack-go/slack/channels.go
index c99e6655..a90d2384 100644
--- a/vendor/github.com/slack-go/slack/channels.go
+++ b/vendor/github.com/slack-go/slack/channels.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"net/url"
 	"strconv"
+	"time"
 )
 
 type channelResponseFull struct {
@@ -14,6 +15,7 @@ type channelResponseFull struct {
 	NotInChannel bool      `json:"not_in_channel"`
 	History
 	SlackResponse
+	Metadata ResponseMetadata `json:"response_metadata"`
 }
 
 // Channel contains information about the channel
@@ -35,25 +37,21 @@ func (api *Client) channelRequest(ctx context.Context, path string, values url.V
 	return response, response.Err()
 }
 
-type channelsConfig struct {
-	values url.Values
-}
-
 // GetChannelsOption option provided when getting channels.
-type GetChannelsOption func(*channelsConfig) error
+type GetChannelsOption func(*ChannelPagination) error
 
 // GetChannelsOptionExcludeMembers excludes the members collection from each channel.
 func GetChannelsOptionExcludeMembers() GetChannelsOption {
-	return func(config *channelsConfig) error {
-		config.values.Add("exclude_members", "true")
+	return func(p *ChannelPagination) error {
+		p.excludeMembers = true
 		return nil
 	}
 }
 
 // GetChannelsOptionExcludeArchived excludes archived channels from results.
 func GetChannelsOptionExcludeArchived() GetChannelsOption {
-	return func(config *channelsConfig) error {
-		config.values.Add("exclude_archived", "true")
+	return func(p *ChannelPagination) error {
+		p.excludeArchived = true
 		return nil
 	}
 }
@@ -266,6 +264,78 @@ func (api *Client) KickUserFromChannelContext(ctx context.Context, channelID, us
 	return err
 }
 
+func newChannelPagination(c *Client, options ...GetChannelsOption) (cp ChannelPagination) {
+	cp = ChannelPagination{
+		c:     c,
+		limit: 200, // per slack api documentation.
+	}
+
+	for _, opt := range options {
+		opt(&cp)
+	}
+
+	return cp
+}
+
+// ChannelPagination allows for paginating over the channels
+type ChannelPagination struct {
+	Channels        []Channel
+	limit           int
+	excludeArchived bool
+	excludeMembers  bool
+	previousResp    *ResponseMetadata
+	c               *Client
+}
+
+// Done checks if the pagination has completed
+func (ChannelPagination) Done(err error) bool {
+	return err == errPaginationComplete
+}
+
+// Failure checks if pagination failed.
+func (t ChannelPagination) Failure(err error) error {
+	if t.Done(err) {
+		return nil
+	}
+
+	return err
+}
+
+func (t ChannelPagination) Next(ctx context.Context) (_ ChannelPagination, err error) {
+	var (
+		resp *channelResponseFull
+	)
+
+	if t.c == nil || (t.previousResp != nil && t.previousResp.Cursor == "") {
+		return t, errPaginationComplete
+	}
+
+	t.previousResp = t.previousResp.initialize()
+
+	values := url.Values{
+		"limit":            {strconv.Itoa(t.limit)},
+		"exclude_archived": {strconv.FormatBool(t.excludeArchived)},
+		"exclude_members":  {strconv.FormatBool(t.excludeMembers)},
+		"token":            {t.c.token},
+		"cursor":           {t.previousResp.Cursor},
+	}
+
+	if resp, err = t.c.channelRequest(ctx, "channels.list", values); err != nil {
+		return t, err
+	}
+
+	t.c.Debugf("GetChannelsContext: got %d channels; metadata %v", len(resp.Channels), resp.Metadata)
+	t.Channels = resp.Channels
+	t.previousResp = &resp.Metadata
+
+	return t, nil
+}
+
+// GetChannelsPaginated fetches channels in a paginated fashion, see GetChannelsContext for usage.
+func (api *Client) GetChannelsPaginated(options ...GetChannelsOption) ChannelPagination {
+	return newChannelPagination(api, options...)
+}
+
 // GetChannels retrieves all the channels
 // see https://api.slack.com/methods/channels.list
 func (api *Client) GetChannels(excludeArchived bool, options ...GetChannelsOption) ([]Channel, error) {
@@ -274,28 +344,27 @@ func (api *Client) GetChannels(excludeArchived bool, options ...GetChannelsOptio
 
 // GetChannelsContext retrieves all the channels with a custom context
 // see https://api.slack.com/methods/channels.list
-func (api *Client) GetChannelsContext(ctx context.Context, excludeArchived bool, options ...GetChannelsOption) ([]Channel, error) {
-	config := channelsConfig{
-		values: url.Values{
-			"token": {api.token},
-		},
-	}
-
+func (api *Client) GetChannelsContext(ctx context.Context, excludeArchived bool, options ...GetChannelsOption) (results []Channel, err error) {
 	if excludeArchived {
 		options = append(options, GetChannelsOptionExcludeArchived())
 	}
 
-	for _, opt := range options {
-		if err := opt(&config); err != nil {
-			return nil, err
+	p := api.GetChannelsPaginated(options...)
+	for err == nil {
+		p, err = p.Next(ctx)
+		if err == nil {
+			results = append(results, p.Channels...)
+		} else if rateLimitedError, ok := err.(*RateLimitedError); ok {
+			select {
+			case <-ctx.Done():
+				err = ctx.Err()
+			case <-time.After(rateLimitedError.RetryAfter):
+				err = nil
+			}
 		}
 	}
 
-	response, err := api.channelRequest(ctx, "channels.list", config.values)
-	if err != nil {
-		return nil, err
-	}
-	return response.Channels, nil
+	return results, p.Failure(err)
 }
 
 // SetChannelReadMark sets the read mark of a given channel to a specific point
diff --git a/vendor/github.com/slack-go/slack/chat.go b/vendor/github.com/slack-go/slack/chat.go
index b54f8d6d..1281b15a 100644
--- a/vendor/github.com/slack-go/slack/chat.go
+++ b/vendor/github.com/slack-go/slack/chat.go
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"net/http"
 	"net/url"
+	"strconv"
 
 	"github.com/slack-go/slack/slackutilsx"
 )
@@ -25,10 +26,11 @@ const (
 )
 
 type chatResponseFull struct {
-	Channel          string `json:"channel"`
-	Timestamp        string `json:"ts"`         //Regular message timestamp
-	MessageTimeStamp string `json:"message_ts"` //Ephemeral message timestamp
-	Text             string `json:"text"`
+	Channel            string `json:"channel"`
+	Timestamp          string `json:"ts"`                             //Regular message timestamp
+	MessageTimeStamp   string `json:"message_ts"`                     //Ephemeral message timestamp
+	ScheduledMessageID string `json:"scheduled_message_id,omitempty"` //Scheduled message id
+	Text               string `json:"text"`
 	SlackResponse
 }
 
@@ -82,13 +84,34 @@ func NewPostMessageParameters() PostMessageParameters {
 
 // DeleteMessage deletes a message in a channel
 func (api *Client) DeleteMessage(channel, messageTimestamp string) (string, string, error) {
-	respChannel, respTimestamp, _, err := api.SendMessageContext(context.Background(), channel, MsgOptionDelete(messageTimestamp))
+	respChannel, respTimestamp, _, err := api.SendMessageContext(
+		context.Background(),
+		channel,
+		MsgOptionDelete(messageTimestamp),
+	)
 	return respChannel, respTimestamp, err
 }
 
 // DeleteMessageContext deletes a message in a channel with a custom context
 func (api *Client) DeleteMessageContext(ctx context.Context, channel, messageTimestamp string) (string, string, error) {
-	respChannel, respTimestamp, _, err := api.SendMessageContext(ctx, channel, MsgOptionDelete(messageTimestamp))
+	respChannel, respTimestamp, _, err := api.SendMessageContext(
+		ctx,
+		channel,
+		MsgOptionDelete(messageTimestamp),
+	)
+	return respChannel, respTimestamp, err
+}
+
+// ScheduleMessage sends a message to a channel.
+// Message is escaped by default according to https://api.slack.com/docs/formatting
+// Use http://davestevens.github.io/slack-message-builder/ to help crafting your message.
+func (api *Client) ScheduleMessage(channelID, postAt string, options ...MsgOption) (string, string, error) {
+	respChannel, respTimestamp, _, err := api.SendMessageContext(
+		context.Background(),
+		channelID,
+		MsgOptionSchedule(postAt),
+		MsgOptionCompose(options...),
+	)
 	return respChannel, respTimestamp, err
 }
 
@@ -132,18 +155,33 @@ func (api *Client) PostEphemeral(channelID, userID string, options ...MsgOption)
 // PostEphemeralContext sends an ephemeal message to a user in a channel with a custom context
 // For more details, see PostEphemeral documentation
 func (api *Client) PostEphemeralContext(ctx context.Context, channelID, userID string, options ...MsgOption) (timestamp string, err error) {
-	_, timestamp, _, err = api.SendMessageContext(ctx, channelID, MsgOptionPostEphemeral(userID), MsgOptionCompose(options...))
+	_, timestamp, _, err = api.SendMessageContext(
+		ctx,
+		channelID,
+		MsgOptionPostEphemeral(userID),
+		MsgOptionCompose(options...),
+	)
 	return timestamp, err
 }
 
 // UpdateMessage updates a message in a channel
 func (api *Client) UpdateMessage(channelID, timestamp string, options ...MsgOption) (string, string, string, error) {
-	return api.SendMessageContext(context.Background(), channelID, MsgOptionUpdate(timestamp), MsgOptionCompose(options...))
+	return api.SendMessageContext(
+		context.Background(),
+		channelID,
+		MsgOptionUpdate(timestamp),
+		MsgOptionCompose(options...),
+	)
 }
 
 // UpdateMessageContext updates a message in a channel
 func (api *Client) UpdateMessageContext(ctx context.Context, channelID, timestamp string, options ...MsgOption) (string, string, string, error) {
-	return api.SendMessageContext(ctx, channelID, MsgOptionUpdate(timestamp), MsgOptionCompose(options...))
+	return api.SendMessageContext(
+		ctx,
+		channelID,
+		MsgOptionUpdate(timestamp),
+		MsgOptionCompose(options...),
+	)
 }
 
 // UnfurlMessage unfurls a message in a channel
@@ -212,13 +250,14 @@ func buildSender(apiurl string, options ...MsgOption) sendConfig {
 type sendMode string
 
 const (
-	chatUpdate        sendMode = "chat.update"
-	chatPostMessage   sendMode = "chat.postMessage"
-	chatDelete        sendMode = "chat.delete"
-	chatPostEphemeral sendMode = "chat.postEphemeral"
-	chatResponse      sendMode = "chat.responseURL"
-	chatMeMessage     sendMode = "chat.meMessage"
-	chatUnfurl        sendMode = "chat.unfurl"
+	chatUpdate          sendMode = "chat.update"
+	chatPostMessage     sendMode = "chat.postMessage"
+	chatScheduleMessage sendMode = "chat.scheduleMessage"
+	chatDelete          sendMode = "chat.delete"
+	chatPostEphemeral   sendMode = "chat.postEphemeral"
+	chatResponse        sendMode = "chat.responseURL"
+	chatMeMessage       sendMode = "chat.meMessage"
+	chatUnfurl          sendMode = "chat.unfurl"
 )
 
 type sendConfig struct {
@@ -287,6 +326,15 @@ func (t responseURLSender) BuildRequest() (*http.Request, func(*chatResponseFull
 // MsgOption option provided when sending a message.
 type MsgOption func(*sendConfig) error
 
+// MsgOptionSchedule schedules a messages.
+func MsgOptionSchedule(postAt string) MsgOption {
+	return func(config *sendConfig) error {
+		config.endpoint = config.apiurl + string(chatScheduleMessage)
+		config.values.Add("post_at", postAt)
+		return nil
+	}
+}
+
 // MsgOptionPost posts a messages, this is the default.
 func MsgOptionPost() MsgOption {
 	return func(config *sendConfig) error {
@@ -625,3 +673,81 @@ func (api *Client) GetPermalinkContext(ctx context.Context, params *PermalinkPar
 	}
 	return response.Permalink, response.Err()
 }
+
+type GetScheduledMessagesParameters struct {
+	Channel string
+	Cursor  string
+	Latest  string
+	Limit   int
+	Oldest  string
+}
+
+// GetScheduledMessages returns the list of scheduled messages based on params
+func (api *Client) GetScheduledMessages(params *GetScheduledMessagesParameters) (channels []Message, nextCursor string, err error) {
+	return api.GetScheduledMessagesContext(context.Background(), params)
+}
+
+// GetScheduledMessagesContext returns the list of scheduled messages in a Slack team with a custom context
+func (api *Client) GetScheduledMessagesContext(ctx context.Context, params *GetScheduledMessagesParameters) (channels []Message, nextCursor string, err error) {
+	values := url.Values{
+		"token": {api.token},
+	}
+	if params.Channel != "" {
+		values.Add("channel", params.Channel)
+	}
+	if params.Cursor != "" {
+		values.Add("cursor", params.Cursor)
+	}
+	if params.Limit != 0 {
+		values.Add("limit", strconv.Itoa(params.Limit))
+	}
+	if params.Latest != "" {
+		values.Add("latest", params.Latest)
+	}
+	if params.Oldest != "" {
+		values.Add("oldest", params.Oldest)
+	}
+	response := struct {
+		Messages         []Message        `json:"scheduled_messages"`
+		ResponseMetaData responseMetaData `json:"response_metadata"`
+		SlackResponse
+	}{}
+
+	err = api.postMethod(ctx, "chat.scheduledMessages.list", values, &response)
+	if err != nil {
+		return nil, "", err
+	}
+
+	return response.Messages, response.ResponseMetaData.NextCursor, response.Err()
+}
+
+type DeleteScheduledMessageParameters struct {
+	Channel            string
+	ScheduledMessageID string
+	AsUser             bool
+}
+
+// DeleteScheduledMessage returns the list of scheduled messages based on params
+func (api *Client) DeleteScheduledMessage(params *DeleteScheduledMessageParameters) (bool, error) {
+	return api.DeleteScheduledMessageContext(context.Background(), params)
+}
+
+// DeleteScheduledMessageContext returns the list of scheduled messages in a Slack team with a custom context
+func (api *Client) DeleteScheduledMessageContext(ctx context.Context, params *DeleteScheduledMessageParameters) (bool, error) {
+	values := url.Values{
+		"token":                {api.token},
+		"channel":              {params.Channel},
+		"scheduled_message_id": {params.ScheduledMessageID},
+		"as_user":              {strconv.FormatBool(params.AsUser)},
+	}
+	response := struct {
+		SlackResponse
+	}{}
+
+	err := api.postMethod(ctx, "chat.deleteScheduledMessage", values, &response)
+	if err != nil {
+		return false, err
+	}
+
+	return response.Ok, response.Err()
+}
diff --git a/vendor/github.com/slack-go/slack/go.mod b/vendor/github.com/slack-go/slack/go.mod
index cbe11808..b57c9b35 100644
--- a/vendor/github.com/slack-go/slack/go.mod
+++ b/vendor/github.com/slack-go/slack/go.mod
@@ -1,12 +1,11 @@
 module github.com/slack-go/slack
 
-go 1.13
-
 require (
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/go-test/deep v1.0.4
 	github.com/gorilla/websocket v1.2.0
+	github.com/nlopes/slack v0.6.0
 	github.com/pkg/errors v0.8.0
-	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/stretchr/testify v1.2.2
 )
+
+go 1.13
diff --git a/vendor/github.com/slack-go/slack/go.sum b/vendor/github.com/slack-go/slack/go.sum
index 7a0ae46e..196525e7 100644
--- a/vendor/github.com/slack-go/slack/go.sum
+++ b/vendor/github.com/slack-go/slack/go.sum
@@ -4,6 +4,8 @@ github.com/go-test/deep v1.0.4 h1:u2CU3YKy9I2pmu9pX0eq50wCgjfGIt539SqR7FbHiho=
 github.com/go-test/deep v1.0.4/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
 github.com/gorilla/websocket v1.2.0 h1:VJtLvh6VQym50czpZzx07z/kw9EgAxI3x1ZB8taTMQQ=
 github.com/gorilla/websocket v1.2.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/nlopes/slack v0.6.0 h1:jt0jxVQGhssx1Ib7naAOZEZcGdtIhTzkP0nopK0AsRA=
+github.com/nlopes/slack v0.6.0/go.mod h1:JzQ9m3PMAqcpeCam7UaHSuBuupz7CmpjehYMayT6YOk=
 github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
diff --git a/vendor/github.com/slack-go/slack/info.go b/vendor/github.com/slack-go/slack/info.go
index 31f459f1..ec706240 100644
--- a/vendor/github.com/slack-go/slack/info.go
+++ b/vendor/github.com/slack-go/slack/info.go
@@ -2,108 +2,381 @@ package slack
 
 import (
 	"bytes"
+	"context"
 	"fmt"
+	"net/url"
 	"strconv"
+	"strings"
 	"time"
 )
 
-// UserPrefs needs to be implemented
+type UserPrefsCarrier struct {
+	SlackResponse
+	UserPrefs *UserPrefs `json:"prefs"`
+}
+
+// UserPrefs carries a bunch of user settings including some unknown types
 type UserPrefs struct {
-	// "highlight_words":"",
-	// "user_colors":"",
-	// "color_names_in_list":true,
-	// "growls_enabled":true,
-	// "tz":"Europe\/London",
-	// "push_dm_alert":true,
-	// "push_mention_alert":true,
-	// "push_everything":true,
-	// "push_idle_wait":2,
-	// "push_sound":"b2.mp3",
-	// "push_loud_channels":"",
-	// "push_mention_channels":"",
-	// "push_loud_channels_set":"",
-	// "email_alerts":"instant",
-	// "email_alerts_sleep_until":0,
-	// "email_misc":false,
-	// "email_weekly":true,
-	// "welcome_message_hidden":false,
-	// "all_channels_loud":true,
-	// "loud_channels":"",
-	// "never_channels":"",
-	// "loud_channels_set":"",
-	// "show_member_presence":true,
-	// "search_sort":"timestamp",
-	// "expand_inline_imgs":true,
-	// "expand_internal_inline_imgs":true,
-	// "expand_snippets":false,
-	// "posts_formatting_guide":true,
-	// "seen_welcome_2":true,
-	// "seen_ssb_prompt":false,
-	// "search_only_my_channels":false,
-	// "emoji_mode":"default",
-	// "has_invited":true,
-	// "has_uploaded":false,
-	// "has_created_channel":true,
-	// "search_exclude_channels":"",
-	// "messages_theme":"default",
-	// "webapp_spellcheck":true,
-	// "no_joined_overlays":false,
-	// "no_created_overlays":true,
-	// "dropbox_enabled":false,
-	// "seen_user_menu_tip_card":true,
-	// "seen_team_menu_tip_card":true,
-	// "seen_channel_menu_tip_card":true,
-	// "seen_message_input_tip_card":true,
-	// "seen_channels_tip_card":true,
-	// "seen_domain_invite_reminder":false,
-	// "seen_member_invite_reminder":false,
-	// "seen_flexpane_tip_card":true,
-	// "seen_search_input_tip_card":true,
-	// "mute_sounds":false,
-	// "arrow_history":false,
-	// "tab_ui_return_selects":true,
-	// "obey_inline_img_limit":true,
-	// "new_msg_snd":"knock_brush.mp3",
-	// "collapsible":false,
-	// "collapsible_by_click":true,
-	// "require_at":false,
-	// "mac_ssb_bounce":"",
-	// "mac_ssb_bullet":true,
-	// "win_ssb_bullet":true,
-	// "expand_non_media_attachments":true,
-	// "show_typing":true,
-	// "pagekeys_handled":true,
-	// "last_snippet_type":"",
-	// "display_real_names_override":0,
-	// "time24":false,
-	// "enter_is_special_in_tbt":false,
-	// "graphic_emoticons":false,
-	// "convert_emoticons":true,
-	// "autoplay_chat_sounds":true,
-	// "ss_emojis":true,
-	// "sidebar_behavior":"",
-	// "mark_msgs_read_immediately":true,
-	// "start_scroll_at_oldest":true,
-	// "snippet_editor_wrap_long_lines":false,
-	// "ls_disabled":false,
-	// "sidebar_theme":"default",
-	// "sidebar_theme_custom_values":"",
-	// "f_key_search":false,
-	// "k_key_omnibox":true,
-	// "speak_growls":false,
-	// "mac_speak_voice":"com.apple.speech.synthesis.voice.Alex",
-	// "mac_speak_speed":250,
-	// "comma_key_prefs":false,
-	// "at_channel_suppressed_channels":"",
-	// "push_at_channel_suppressed_channels":"",
-	// "prompted_for_email_disabling":false,
-	// "full_text_extracts":false,
-	// "no_text_in_notifications":false,
-	// "muted_channels":"",
-	// "no_macssb1_banner":false,
-	// "privacy_policy_seen":true,
-	// "search_exclude_bots":false,
-	// "fuzzy_matching":false
+	UserColors       string `json:"user_colors,omitempty"`
+	ColorNamesInList bool   `json:"color_names_in_list,omitempty"`
+	// Keyboard UnknownType `json:"keyboard"`
+	EmailAlerts                         string `json:"email_alerts,omitempty"`
+	EmailAlertsSleepUntil               int    `json:"email_alerts_sleep_until,omitempty"`
+	EmailTips                           bool   `json:"email_tips,omitempty"`
+	EmailWeekly                         bool   `json:"email_weekly,omitempty"`
+	EmailOffers                         bool   `json:"email_offers,omitempty"`
+	EmailResearch                       bool   `json:"email_research,omitempty"`
+	EmailDeveloper                      bool   `json:"email_developer,omitempty"`
+	WelcomeMessageHidden                bool   `json:"welcome_message_hidden,omitempty"`
+	SearchSort                          string `json:"search_sort,omitempty"`
+	SearchFileSort                      string `json:"search_file_sort,omitempty"`
+	SearchChannelSort                   string `json:"search_channel_sort,omitempty"`
+	SearchPeopleSort                    string `json:"search_people_sort,omitempty"`
+	ExpandInlineImages                  bool   `json:"expand_inline_images,omitempty"`
+	ExpandInternalInlineImages          bool   `json:"expand_internal_inline_images,omitempty"`
+	ExpandSnippets                      bool   `json:"expand_snippets,omitempty"`
+	PostsFormattingGuide                bool   `json:"posts_formatting_guide,omitempty"`
+	SeenWelcome2                        bool   `json:"seen_welcome_2,omitempty"`
+	SeenSSBPrompt                       bool   `json:"seen_ssb_prompt,omitempty"`
+	SpacesNewXpBannerDismissed          bool   `json:"spaces_new_xp_banner_dismissed,omitempty"`
+	SearchOnlyMyChannels                bool   `json:"search_only_my_channels,omitempty"`
+	SearchOnlyCurrentTeam               bool   `json:"search_only_current_team,omitempty"`
+	SearchHideMyChannels                bool   `json:"search_hide_my_channels,omitempty"`
+	SearchOnlyShowOnline                bool   `json:"search_only_show_online,omitempty"`
+	SearchHideDeactivatedUsers          bool   `json:"search_hide_deactivated_users,omitempty"`
+	EmojiMode                           string `json:"emoji_mode,omitempty"`
+	EmojiUse                            string `json:"emoji_use,omitempty"`
+	HasInvited                          bool   `json:"has_invited,omitempty"`
+	HasUploaded                         bool   `json:"has_uploaded,omitempty"`
+	HasCreatedChannel                   bool   `json:"has_created_channel,omitempty"`
+	HasSearched                         bool   `json:"has_searched,omitempty"`
+	SearchExcludeChannels               string `json:"search_exclude_channels,omitempty"`
+	MessagesTheme                       string `json:"messages_theme,omitempty"`
+	WebappSpellcheck                    bool   `json:"webapp_spellcheck,omitempty"`
+	NoJoinedOverlays                    bool   `json:"no_joined_overlays,omitempty"`
+	NoCreatedOverlays                   bool   `json:"no_created_overlays,omitempty"`
+	DropboxEnabled                      bool   `json:"dropbox_enabled,omitempty"`
+	SeenDomainInviteReminder            bool   `json:"seen_domain_invite_reminder,omitempty"`
+	SeenMemberInviteReminder            bool   `json:"seen_member_invite_reminder,omitempty"`
+	MuteSounds                          bool   `json:"mute_sounds,omitempty"`
+	ArrowHistory                        bool   `json:"arrow_history,omitempty"`
+	TabUIReturnSelects                  bool   `json:"tab_ui_return_selects,omitempty"`
+	ObeyInlineImgLimit                  bool   `json:"obey_inline_img_limit,omitempty"`
+	RequireAt                           bool   `json:"require_at,omitempty"`
+	SsbSpaceWindow                      string `json:"ssb_space_window,omitempty"`
+	MacSsbBounce                        string `json:"mac_ssb_bounce,omitempty"`
+	MacSsbBullet                        bool   `json:"mac_ssb_bullet,omitempty"`
+	ExpandNonMediaAttachments           bool   `json:"expand_non_media_attachments,omitempty"`
+	ShowTyping                          bool   `json:"show_typing,omitempty"`
+	PagekeysHandled                     bool   `json:"pagekeys_handled,omitempty"`
+	LastSnippetType                     string `json:"last_snippet_type,omitempty"`
+	DisplayRealNamesOverride            int    `json:"display_real_names_override,omitempty"`
+	DisplayDisplayNames                 bool   `json:"display_display_names,omitempty"`
+	Time24                              bool   `json:"time24,omitempty"`
+	EnterIsSpecialInTbt                 bool   `json:"enter_is_special_in_tbt,omitempty"`
+	MsgInputSendBtn                     bool   `json:"msg_input_send_btn,omitempty"`
+	MsgInputSendBtnAutoSet              bool   `json:"msg_input_send_btn_auto_set,omitempty"`
+	MsgInputStickyComposer              bool   `json:"msg_input_sticky_composer,omitempty"`
+	GraphicEmoticons                    bool   `json:"graphic_emoticons,omitempty"`
+	ConvertEmoticons                    bool   `json:"convert_emoticons,omitempty"`
+	SsEmojis                            bool   `json:"ss_emojis,omitempty"`
+	SeenOnboardingStart                 bool   `json:"seen_onboarding_start,omitempty"`
+	OnboardingCancelled                 bool   `json:"onboarding_cancelled,omitempty"`
+	SeenOnboardingSlackbotConversation  bool   `json:"seen_onboarding_slackbot_conversation,omitempty"`
+	SeenOnboardingChannels              bool   `json:"seen_onboarding_channels,omitempty"`
+	SeenOnboardingDirectMessages        bool   `json:"seen_onboarding_direct_messages,omitempty"`
+	SeenOnboardingInvites               bool   `json:"seen_onboarding_invites,omitempty"`
+	SeenOnboardingSearch                bool   `json:"seen_onboarding_search,omitempty"`
+	SeenOnboardingRecentMentions        bool   `json:"seen_onboarding_recent_mentions,omitempty"`
+	SeenOnboardingStarredItems          bool   `json:"seen_onboarding_starred_items,omitempty"`
+	SeenOnboardingPrivateGroups         bool   `json:"seen_onboarding_private_groups,omitempty"`
+	SeenOnboardingBanner                bool   `json:"seen_onboarding_banner,omitempty"`
+	OnboardingSlackbotConversationStep  int    `json:"onboarding_slackbot_conversation_step,omitempty"`
+	SetTzAutomatically                  bool   `json:"set_tz_automatically,omitempty"`
+	SuppressLinkWarning                 bool   `json:"suppress_link_warning,omitempty"`
+	DndEnabled                          bool   `json:"dnd_enabled,omitempty"`
+	DndStartHour                        string `json:"dnd_start_hour,omitempty"`
+	DndEndHour                          string `json:"dnd_end_hour,omitempty"`
+	DndBeforeMonday                     string `json:"dnd_before_monday,omitempty"`
+	DndAfterMonday                      string `json:"dnd_after_monday,omitempty"`
+	DndEnabledMonday                    string `json:"dnd_enabled_monday,omitempty"`
+	DndBeforeTuesday                    string `json:"dnd_before_tuesday,omitempty"`
+	DndAfterTuesday                     string `json:"dnd_after_tuesday,omitempty"`
+	DndEnabledTuesday                   string `json:"dnd_enabled_tuesday,omitempty"`
+	DndBeforeWednesday                  string `json:"dnd_before_wednesday,omitempty"`
+	DndAfterWednesday                   string `json:"dnd_after_wednesday,omitempty"`
+	DndEnabledWednesday                 string `json:"dnd_enabled_wednesday,omitempty"`
+	DndBeforeThursday                   string `json:"dnd_before_thursday,omitempty"`
+	DndAfterThursday                    string `json:"dnd_after_thursday,omitempty"`
+	DndEnabledThursday                  string `json:"dnd_enabled_thursday,omitempty"`
+	DndBeforeFriday                     string `json:"dnd_before_friday,omitempty"`
+	DndAfterFriday                      string `json:"dnd_after_friday,omitempty"`
+	DndEnabledFriday                    string `json:"dnd_enabled_friday,omitempty"`
+	DndBeforeSaturday                   string `json:"dnd_before_saturday,omitempty"`
+	DndAfterSaturday                    string `json:"dnd_after_saturday,omitempty"`
+	DndEnabledSaturday                  string `json:"dnd_enabled_saturday,omitempty"`
+	DndBeforeSunday                     string `json:"dnd_before_sunday,omitempty"`
+	DndAfterSunday                      string `json:"dnd_after_sunday,omitempty"`
+	DndEnabledSunday                    string `json:"dnd_enabled_sunday,omitempty"`
+	DndDays                             string `json:"dnd_days,omitempty"`
+	DndCustomNewBadgeSeen               bool   `json:"dnd_custom_new_badge_seen,omitempty"`
+	DndNotificationScheduleNewBadgeSeen bool   `json:"dnd_notification_schedule_new_badge_seen,omitempty"`
+	// UnreadCollapsedChannels      unknownType                  `json:"unread_collapsed_channels,omitempty"`
+	SidebarBehavior          string `json:"sidebar_behavior,omitempty"`
+	ChannelSort              string `json:"channel_sort,omitempty"`
+	SeparatePrivateChannels  bool   `json:"separate_private_channels,omitempty"`
+	SeparateSharedChannels   bool   `json:"separate_shared_channels,omitempty"`
+	SidebarTheme             string `json:"sidebar_theme,omitempty"`
+	SidebarThemeCustomValues string `json:"sidebar_theme_custom_values,omitempty"`
+	NoInvitesWidgetInSidebar bool   `json:"no_invites_widget_in_sidebar,omitempty"`
+	NoOmniboxInChannels      bool   `json:"no_omnibox_in_channels,omitempty"`
+
+	KKeyOmniboxAutoHideCount       int    `json:"k_key_omnibox_auto_hide_count,omitempty"`
+	ShowSidebarQuickswitcherButton bool   `json:"show_sidebar_quickswitcher_button,omitempty"`
+	EntOrgWideChannelsSidebar      bool   `json:"ent_org_wide_channels_sidebar,omitempty"`
+	MarkMsgsReadImmediately        bool   `json:"mark_msgs_read_immediately,omitempty"`
+	StartScrollAtOldest            bool   `json:"start_scroll_at_oldest,omitempty"`
+	SnippetEditorWrapLongLines     bool   `json:"snippet_editor_wrap_long_lines,omitempty"`
+	LsDisabled                     bool   `json:"ls_disabled,omitempty"`
+	FKeySearch                     bool   `json:"f_key_search,omitempty"`
+	KKeyOmnibox                    bool   `json:"k_key_omnibox,omitempty"`
+	PromptedForEmailDisabling      bool   `json:"prompted_for_email_disabling,omitempty"`
+	NoMacelectronBanner            bool   `json:"no_macelectron_banner,omitempty"`
+	NoMacssb1Banner                bool   `json:"no_macssb1_banner,omitempty"`
+	NoMacssb2Banner                bool   `json:"no_macssb2_banner,omitempty"`
+	NoWinssb1Banner                bool   `json:"no_winssb1_banner,omitempty"`
+	HideUserGroupInfoPane          bool   `json:"hide_user_group_info_pane,omitempty"`
+	MentionsExcludeAtUserGroups    bool   `json:"mentions_exclude_at_user_groups,omitempty"`
+	MentionsExcludeReactions       bool   `json:"mentions_exclude_reactions,omitempty"`
+	PrivacyPolicySeen              bool   `json:"privacy_policy_seen,omitempty"`
+	EnterpriseMigrationSeen        bool   `json:"enterprise_migration_seen,omitempty"`
+	LastTosAcknowledged            string `json:"last_tos_acknowledged,omitempty"`
+	SearchExcludeBots              bool   `json:"search_exclude_bots,omitempty"`
+	LoadLato2                      bool   `json:"load_lato_2,omitempty"`
+	FullerTimestamps               bool   `json:"fuller_timestamps,omitempty"`
+	LastSeenAtChannelWarning       int    `json:"last_seen_at_channel_warning,omitempty"`
+	EmojiAutocompleteBig           bool   `json:"emoji_autocomplete_big,omitempty"`
+	TwoFactorAuthEnabled           bool   `json:"two_factor_auth_enabled,omitempty"`
+	// TwoFactorType                         unknownType    `json:"two_factor_type,omitempty"`
+	// TwoFactorBackupType                   unknownType    `json:"two_factor_backup_type,omitempty"`
+	HideHexSwatch          bool   `json:"hide_hex_swatch,omitempty"`
+	ShowJumperScores       bool   `json:"show_jumper_scores,omitempty"`
+	EnterpriseMdmCustomMsg string `json:"enterprise_mdm_custom_msg,omitempty"`
+	// EnterpriseExcludedAppTeams                 unknownType    `json:"enterprise_excluded_app_teams,omitempty"`
+	ClientLogsPri             string `json:"client_logs_pri,omitempty"`
+	FlannelServerPool         string `json:"flannel_server_pool,omitempty"`
+	MentionsExcludeAtChannels bool   `json:"mentions_exclude_at_channels,omitempty"`
+	ConfirmClearAllUnreads    bool   `json:"confirm_clear_all_unreads,omitempty"`
+	ConfirmUserMarkedAway     bool   `json:"confirm_user_marked_away,omitempty"`
+	BoxEnabled                bool   `json:"box_enabled,omitempty"`
+	SeenSingleEmojiMsg        bool   `json:"seen_single_emoji_msg,omitempty"`
+	ConfirmShCallStart        bool   `json:"confirm_sh_call_start,omitempty"`
+	PreferredSkinTone         string `json:"preferred_skin_tone,omitempty"`
+	ShowAllSkinTones          bool   `json:"show_all_skin_tones,omitempty"`
+	WhatsNewRead              int    `json:"whats_new_read,omitempty"`
+	// FrecencyJumper                           unknownType      `json:"frecency_jumper,omitempty"`
+	FrecencyEntJumper                       string `json:"frecency_ent_jumper,omitempty"`
+	FrecencyEntJumperBackup                 string `json:"frecency_ent_jumper_backup,omitempty"`
+	Jumbomoji                               bool   `json:"jumbomoji,omitempty"`
+	NewxpSeenLastMessage                    int    `json:"newxp_seen_last_message,omitempty"`
+	ShowMemoryInstrument                    bool   `json:"show_memory_instrument,omitempty"`
+	EnableUnreadView                        bool   `json:"enable_unread_view,omitempty"`
+	SeenUnreadViewCoachmark                 bool   `json:"seen_unread_view_coachmark,omitempty"`
+	EnableReactEmojiPicker                  bool   `json:"enable_react_emoji_picker,omitempty"`
+	SeenCustomStatusBadge                   bool   `json:"seen_custom_status_badge,omitempty"`
+	SeenCustomStatusCallout                 bool   `json:"seen_custom_status_callout,omitempty"`
+	SeenCustomStatusExpirationBadge         bool   `json:"seen_custom_status_expiration_badge,omitempty"`
+	UsedCustomStatusKbShortcut              bool   `json:"used_custom_status_kb_shortcut,omitempty"`
+	SeenGuestAdminSlackbotAnnouncement      bool   `json:"seen_guest_admin_slackbot_announcement,omitempty"`
+	SeenThreadsNotificationBanner           bool   `json:"seen_threads_notification_banner,omitempty"`
+	SeenNameTaggingCoachmark                bool   `json:"seen_name_tagging_coachmark,omitempty"`
+	AllUnreadsSortOrder                     string `json:"all_unreads_sort_order,omitempty"`
+	Locale                                  string `json:"locale,omitempty"`
+	SeenIntlChannelNamesCoachmark           bool   `json:"seen_intl_channel_names_coachmark,omitempty"`
+	SeenP2LocaleChangeMessage               int    `json:"seen_p2_locale_change_message,omitempty"`
+	SeenLocaleChangeMessage                 int    `json:"seen_locale_change_message,omitempty"`
+	SeenJapaneseLocaleChangeMessage         bool   `json:"seen_japanese_locale_change_message,omitempty"`
+	SeenSharedChannelsCoachmark             bool   `json:"seen_shared_channels_coachmark,omitempty"`
+	SeenSharedChannelsOptInChangeMessage    bool   `json:"seen_shared_channels_opt_in_change_message,omitempty"`
+	HasRecentlySharedaChannel               bool   `json:"has_recently_shared_a_channel,omitempty"`
+	SeenChannelBrowserAdminCoachmark        bool   `json:"seen_channel_browser_admin_coachmark,omitempty"`
+	SeenAdministrationMenu                  bool   `json:"seen_administration_menu,omitempty"`
+	SeenDraftsSectionCoachmark              bool   `json:"seen_drafts_section_coachmark,omitempty"`
+	SeenEmojiUpdateOverlayCoachmark         bool   `json:"seen_emoji_update_overlay_coachmark,omitempty"`
+	SeenSonicDeluxeToast                    int    `json:"seen_sonic_deluxe_toast,omitempty"`
+	SeenWysiwygDeluxeToast                  bool   `json:"seen_wysiwyg_deluxe_toast,omitempty"`
+	SeenMarkdownPasteToast                  int    `json:"seen_markdown_paste_toast,omitempty"`
+	SeenMarkdownPasteShortcut               int    `json:"seen_markdown_paste_shortcut,omitempty"`
+	SeenIaEducation                         bool   `json:"seen_ia_education,omitempty"`
+	PlainTextMode                           bool   `json:"plain_text_mode,omitempty"`
+	ShowSharedChannelsEducationBanner       bool   `json:"show_shared_channels_education_banner,omitempty"`
+	AllowCallsToSetCurrentStatus            bool   `json:"allow_calls_to_set_current_status,omitempty"`
+	InInteractiveMasMigrationFlow           bool   `json:"in_interactive_mas_migration_flow,omitempty"`
+	SunsetInteractiveMessageViews           int    `json:"sunset_interactive_message_views,omitempty"`
+	ShdepPromoCodeSubmitted                 bool   `json:"shdep_promo_code_submitted,omitempty"`
+	SeenShdepSlackbotMessage                bool   `json:"seen_shdep_slackbot_message,omitempty"`
+	SeenCallsInteractiveCoachmark           bool   `json:"seen_calls_interactive_coachmark,omitempty"`
+	AllowCmdTabIss                          bool   `json:"allow_cmd_tab_iss,omitempty"`
+	SeenWorkflowBuilderDeluxeToast          bool   `json:"seen_workflow_builder_deluxe_toast,omitempty"`
+	WorkflowBuilderIntroModalClickedThrough bool   `json:"workflow_builder_intro_modal_clicked_through,omitempty"`
+	// WorkflowBuilderCoachmarks                    unknownType  `json:"workflow_builder_coachmarks,omitempty"`
+	SeenGdriveCoachmark                            bool   `json:"seen_gdrive_coachmark,omitempty"`
+	OverloadedMessageEnabled                       bool   `json:"overloaded_message_enabled,omitempty"`
+	SeenHighlightsCoachmark                        bool   `json:"seen_highlights_coachmark,omitempty"`
+	SeenHighlightsArrowsCoachmark                  bool   `json:"seen_highlights_arrows_coachmark,omitempty"`
+	SeenHighlightsWarmWelcome                      bool   `json:"seen_highlights_warm_welcome,omitempty"`
+	SeenNewSearchUi                                bool   `json:"seen_new_search_ui,omitempty"`
+	SeenChannelSearch                              bool   `json:"seen_channel_search,omitempty"`
+	SeenPeopleSearch                               bool   `json:"seen_people_search,omitempty"`
+	SeenPeopleSearchCount                          int    `json:"seen_people_search_count,omitempty"`
+	DismissedScrollSearchTooltipCount              int    `json:"dismissed_scroll_search_tooltip_count,omitempty"`
+	LastDismissedScrollSearchTooltipTimestamp      int    `json:"last_dismissed_scroll_search_tooltip_timestamp,omitempty"`
+	HasUsedQuickswitcherShortcut                   bool   `json:"has_used_quickswitcher_shortcut,omitempty"`
+	SeenQuickswitcherShortcutTipCount              int    `json:"seen_quickswitcher_shortcut_tip_count,omitempty"`
+	BrowsersDismissedChannelsLowResultsEducation   bool   `json:"browsers_dismissed_channels_low_results_education,omitempty"`
+	BrowsersSeenInitialChannelsEducation           bool   `json:"browsers_seen_initial_channels_education,omitempty"`
+	BrowsersDismissedPeopleLowResultsEducation     bool   `json:"browsers_dismissed_people_low_results_education,omitempty"`
+	BrowsersSeenInitialPeopleEducation             bool   `json:"browsers_seen_initial_people_education,omitempty"`
+	BrowsersDismissedUserGroupsLowResultsEducation bool   `json:"browsers_dismissed_user_groups_low_results_education,omitempty"`
+	BrowsersSeenInitialUserGroupsEducation         bool   `json:"browsers_seen_initial_user_groups_education,omitempty"`
+	BrowsersDismissedFilesLowResultsEducation      bool   `json:"browsers_dismissed_files_low_results_education,omitempty"`
+	BrowsersSeenInitialFilesEducation              bool   `json:"browsers_seen_initial_files_education,omitempty"`
+	A11yAnimations                                 bool   `json:"a11y_animations,omitempty"`
+	SeenKeyboardShortcutsCoachmark                 bool   `json:"seen_keyboard_shortcuts_coachmark,omitempty"`
+	NeedsInitialPasswordSet                        bool   `json:"needs_initial_password_set,omitempty"`
+	LessonsEnabled                                 bool   `json:"lessons_enabled,omitempty"`
+	TractorEnabled                                 bool   `json:"tractor_enabled,omitempty"`
+	TractorExperimentGroup                         string `json:"tractor_experiment_group,omitempty"`
+	OpenedSlackbotDm                               bool   `json:"opened_slackbot_dm,omitempty"`
+	NewxpSuggestedChannels                         string `json:"newxp_suggested_channels,omitempty"`
+	OnboardingComplete                             bool   `json:"onboarding_complete,omitempty"`
+	WelcomePlaceState                              string `json:"welcome_place_state,omitempty"`
+	// OnboardingRoleApps  unknownType `json:"onboarding_role_apps,omitempty"`
+	HasReceivedThreadedMessage        bool   `json:"has_received_threaded_message,omitempty"`
+	SendYourFirstMessageBannerEnabled bool   `json:"send_your_first_message_banner_enabled,omitempty"`
+	WhocanseethisDmMpdmBadge          bool   `json:"whocanseethis_dm_mpdm_badge,omitempty"`
+	HighlightWords                    string `json:"highlight_words,omitempty"`
+	ThreadsEverything                 bool   `json:"threads_everything,omitempty"`
+	NoTextInNotifications             bool   `json:"no_text_in_notifications,omitempty"`
+	PushShowPreview                   bool   `json:"push_show_preview,omitempty"`
+	GrowlsEnabled                     bool   `json:"growls_enabled,omitempty"`
+	AllChannelsLoud                   bool   `json:"all_channels_loud,omitempty"`
+	PushDmAlert                       bool   `json:"push_dm_alert,omitempty"`
+	PushMentionAlert                  bool   `json:"push_mention_alert,omitempty"`
+	PushEverything                    bool   `json:"push_everything,omitempty"`
+	PushIdleWait                      int    `json:"push_idle_wait,omitempty"`
+	PushSound                         string `json:"push_sound,omitempty"`
+	NewMsgSnd                         string `json:"new_msg_snd,omitempty"`
+	PushLoudChannels                  string `json:"push_loud_channels,omitempty"`
+	PushMentionChannels               string `json:"push_mention_channels,omitempty"`
+	PushLoudChannelsSet               string `json:"push_loud_channels_set,omitempty"`
+	LoudChannels                      string `json:"loud_channels,omitempty"`
+	NeverChannels                     string `json:"never_channels,omitempty"`
+	LoudChannelsSet                   string `json:"loud_channels_set,omitempty"`
+	AtChannelSuppressedChannels       string `json:"at_channel_suppressed_channels,omitempty"`
+	PushAtChannelSuppressedChannels   string `json:"push_at_channel_suppressed_channels,omitempty"`
+	MutedChannels                     string `json:"muted_channels,omitempty"`
+	// AllNotificationsPrefs                  unknownType `json:"all_notifications_prefs,omitempty"`
+	GrowthMsgLimitApproachingCtaCount     int `json:"growth_msg_limit_approaching_cta_count,omitempty"`
+	GrowthMsgLimitApproachingCtaTs        int `json:"growth_msg_limit_approaching_cta_ts,omitempty"`
+	GrowthMsgLimitReachedCtaCount         int `json:"growth_msg_limit_reached_cta_count,omitempty"`
+	GrowthMsgLimitReachedCtaLastTs        int `json:"growth_msg_limit_reached_cta_last_ts,omitempty"`
+	GrowthMsgLimitLongReachedCtaCount     int `json:"growth_msg_limit_long_reached_cta_count,omitempty"`
+	GrowthMsgLimitLongReachedCtaLastTs    int `json:"growth_msg_limit_long_reached_cta_last_ts,omitempty"`
+	GrowthMsgLimitSixtyDayBannerCtaCount  int `json:"growth_msg_limit_sixty_day_banner_cta_count,omitempty"`
+	GrowthMsgLimitSixtyDayBannerCtaLastTs int `json:"growth_msg_limit_sixty_day_banner_cta_last_ts,omitempty"`
+	// GrowthAllBannersPrefs unknownType `json:"growth_all_banners_prefs,omitempty"`
+	AnalyticsUpsellCoachmarkSeen bool `json:"analytics_upsell_coachmark_seen,omitempty"`
+	SeenAppSpaceCoachmark        bool `json:"seen_app_space_coachmark,omitempty"`
+	SeenAppSpaceTutorial         bool `json:"seen_app_space_tutorial,omitempty"`
+	DismissedAppLauncherWelcome  bool `json:"dismissed_app_launcher_welcome,omitempty"`
+	DismissedAppLauncherLimit    bool `json:"dismissed_app_launcher_limit,omitempty"`
+	Purchaser                    bool `json:"purchaser,omitempty"`
+	ShowEntOnboarding            bool `json:"show_ent_onboarding,omitempty"`
+	FoldersEnabled               bool `json:"folders_enabled,omitempty"`
+	// FolderData unknownType `json:"folder_data,omitempty"`
+	SeenCorporateExportAlert               bool   `json:"seen_corporate_export_alert,omitempty"`
+	ShowAutocompleteHelp                   int    `json:"show_autocomplete_help,omitempty"`
+	DeprecationToastLastSeen               int    `json:"deprecation_toast_last_seen,omitempty"`
+	DeprecationModalLastSeen               int    `json:"deprecation_modal_last_seen,omitempty"`
+	Iap1Lab                                int    `json:"iap1_lab,omitempty"`
+	IaTopNavTheme                          string `json:"ia_top_nav_theme,omitempty"`
+	IaPlatformActionsLab                   int    `json:"ia_platform_actions_lab,omitempty"`
+	ActivityView                           string `json:"activity_view,omitempty"`
+	FailoverProxyCheckCompleted            int    `json:"failover_proxy_check_completed,omitempty"`
+	EdgeUploadProxyCheckCompleted          int    `json:"edge_upload_proxy_check_completed,omitempty"`
+	AppSubdomainCheckCompleted             int    `json:"app_subdomain_check_completed,omitempty"`
+	AddAppsPromptDismissed                 bool   `json:"add_apps_prompt_dismissed,omitempty"`
+	AddChannelPromptDismissed              bool   `json:"add_channel_prompt_dismissed,omitempty"`
+	ChannelSidebarHideInvite               bool   `json:"channel_sidebar_hide_invite,omitempty"`
+	InProdSurveysEnabled                   bool   `json:"in_prod_surveys_enabled,omitempty"`
+	DismissedInstalledAppDmSuggestions     string `json:"dismissed_installed_app_dm_suggestions,omitempty"`
+	SeenContextualMessageShortcutsModal    bool   `json:"seen_contextual_message_shortcuts_modal,omitempty"`
+	SeenMessageNavigationEducationalToast  bool   `json:"seen_message_navigation_educational_toast,omitempty"`
+	ContextualMessageShortcutsModalWasSeen bool   `json:"contextual_message_shortcuts_modal_was_seen,omitempty"`
+	MessageNavigationToastWasSeen          bool   `json:"message_navigation_toast_was_seen,omitempty"`
+	UpToBrowseKbShortcut                   bool   `json:"up_to_browse_kb_shortcut,omitempty"`
+	ChannelSections                        string `json:"channel_sections,omitempty"`
+	TZ                                     string `json:"tz,omitempty"`
+}
+
+func (api *Client) GetUserPrefs() (*UserPrefsCarrier, error) {
+	values := url.Values{"token": {api.token}}
+	response := UserPrefsCarrier{}
+
+	err := api.getMethod(context.Background(), "users.prefs.get", values, &response)
+	if err != nil {
+		return nil, err
+	}
+
+	return &response, response.Err()
+}
+
+func (api *Client) MuteChat(channelID string) (*UserPrefsCarrier, error) {
+	prefs, err := api.GetUserPrefs()
+	if err != nil {
+		return nil, err
+	}
+	chnls := strings.Split(prefs.UserPrefs.MutedChannels, ",")
+	for _, chn := range chnls {
+		if chn == channelID {
+			return nil, nil // noop
+		}
+	}
+	newChnls := prefs.UserPrefs.MutedChannels + "," + channelID
+	values := url.Values{"token": {api.token}, "muted_channels": {newChnls}, "reason": {"update-muted-channels"}}
+	response := UserPrefsCarrier{}
+
+	err = api.postMethod(context.Background(), "users.prefs.set", values, &response)
+	if err != nil {
+		return nil, err
+	}
+
+	return &response, response.Err()
+}
+
+func (api *Client) UnMuteChat(channelID string) (*UserPrefsCarrier, error) {
+	prefs, err := api.GetUserPrefs()
+	if err != nil {
+		return nil, err
+	}
+	chnls := strings.Split(prefs.UserPrefs.MutedChannels, ",")
+	newChnls := make([]string, len(chnls)-1)
+	for i, chn := range chnls {
+		if chn == channelID {
+			return nil, nil // noop
+		}
+		newChnls[i] = chn
+	}
+	values := url.Values{"token": {api.token}, "muted_channels": {strings.Join(newChnls, ",")}, "reason": {"update-muted-channels"}}
+	response := UserPrefsCarrier{}
+
+	err = api.postMethod(context.Background(), "users.prefs.set", values, &response)
+	if err != nil {
+		return nil, err
+	}
+
+	return &response, response.Err()
 }
 
 // UserDetails contains user details coming in the initial response from StartRTM
diff --git a/vendor/github.com/slack-go/slack/interactions.go b/vendor/github.com/slack-go/slack/interactions.go
index 26a8b6db..c56a34fe 100644
--- a/vendor/github.com/slack-go/slack/interactions.go
+++ b/vendor/github.com/slack-go/slack/interactions.go
@@ -24,6 +24,9 @@ const (
 	InteractionTypeInteractionMessage = InteractionType("interactive_message")
 	InteractionTypeMessageAction      = InteractionType("message_action")
 	InteractionTypeBlockActions       = InteractionType("block_actions")
+	InteractionTypeBlockSuggestion    = InteractionType("block_suggestion")
+	InteractionTypeViewSubmission     = InteractionType("view_submission")
+	InteractionTypeViewClosed         = InteractionType("view_closed")
 )
 
 // InteractionCallback is sent from slack when a user interactions with a button or dialog.
@@ -44,8 +47,19 @@ type InteractionCallback struct {
 	MessageTs       string          `json:"message_ts"`
 	AttachmentID    string          `json:"attachment_id"`
 	ActionCallback  ActionCallbacks `json:"actions"`
+	View            View            `json:"view"`
+	ActionID        string          `json:"action_id"`
 	APIAppID        string          `json:"api_app_id"`
+	BlockID         string          `json:"block_id"`
+	Container       Container       `json:"container"`
 	DialogSubmissionCallback
+	ViewSubmissionCallback
+	ViewClosedCallback
+}
+
+type Container struct {
+	Type   string `json:"type"`
+	ViewID string `json:"view_id"`
 }
 
 // ActionCallback is a convenience struct defined to allow dynamic unmarshalling of
diff --git a/vendor/github.com/slack-go/slack/oauth.go b/vendor/github.com/slack-go/slack/oauth.go
index 29d6dce9..64118fb0 100644
--- a/vendor/github.com/slack-go/slack/oauth.go
+++ b/vendor/github.com/slack-go/slack/oauth.go
@@ -31,6 +31,40 @@ type OAuthResponse struct {
 	SlackResponse
 }
 
+// OAuthV2Response ...
+type OAuthV2Response struct {
+	AccessToken string                    `json:"access_token"`
+	TokenType   string                    `json:"token_type"`
+	Scope       string                    `json:"scope"`
+	BotUserID   string                    `json:"bot_user_id"`
+	AppID       string                    `json:"app_id"`
+	TeamID      string                    `json:"team_id"`
+	Team        OAuthV2ResponseTeam       `json:"team"`
+	Enterprise  OAuthV2ResponseEnterprise `json:"enterprise"`
+	AuthedUser  OAuthV2ResponseAuthedUser `json:"authed_user"`
+	SlackResponse
+}
+
+// OAuthV2ResponseTeam ...
+type OAuthV2ResponseTeam struct {
+	ID   string `json:"id"`
+	Name string `json:"name"`
+}
+
+// OAuthV2ResponseEnterprise ...
+type OAuthV2ResponseEnterprise struct {
+	ID   string `json:"id"`
+	Name string `json:"name"`
+}
+
+// OAuthV2ResponseAuthedUser ...
+type OAuthV2ResponseAuthedUser struct {
+	ID          string `json:"id"`
+	Scope       string `json:"scope"`
+	AccessToken string `json:"access_token"`
+	TokenType   string `json:"token_type"`
+}
+
 // GetOAuthToken retrieves an AccessToken
 func GetOAuthToken(client httpClient, clientID, clientSecret, code, redirectURI string) (accessToken string, scope string, err error) {
 	return GetOAuthTokenContext(context.Background(), client, clientID, clientSecret, code, redirectURI)
@@ -62,3 +96,23 @@ func GetOAuthResponseContext(ctx context.Context, client httpClient, clientID, c
 	}
 	return response, response.Err()
 }
+
+// GetOAuthV2Response gets a V2 OAuth access token response - https://api.slack.com/methods/oauth.v2.access
+func GetOAuthV2Response(client httpClient, clientID, clientSecret, code, redirectURI string) (resp *OAuthV2Response, err error) {
+	return GetOAuthV2ResponseContext(context.Background(), client, clientID, clientSecret, code, redirectURI)
+}
+
+// GetOAuthV2ResponseContext with a context, gets a V2 OAuth access token response
+func GetOAuthV2ResponseContext(ctx context.Context, client httpClient, clientID, clientSecret, code, redirectURI string) (resp *OAuthV2Response, err error) {
+	values := url.Values{
+		"client_id":     {clientID},
+		"client_secret": {clientSecret},
+		"code":          {code},
+		"redirect_uri":  {redirectURI},
+	}
+	response := &OAuthV2Response{}
+	if err = postForm(ctx, client, APIURL+"oauth.v2.access", values, response, discard{}); err != nil {
+		return nil, err
+	}
+	return response, response.Err()
+}
diff --git a/vendor/github.com/slack-go/slack/views.go b/vendor/github.com/slack-go/slack/views.go
index afe391bf..c34feece 100644
--- a/vendor/github.com/slack-go/slack/views.go
+++ b/vendor/github.com/slack-go/slack/views.go
@@ -12,6 +12,10 @@ const (
 
 type ViewType string
 
+type ViewState struct {
+	Values map[string]map[string]BlockAction `json:"values"`
+}
+
 type View struct {
 	SlackResponse
 	ID              string           `json:"id"`
@@ -23,7 +27,7 @@ type View struct {
 	Blocks          Blocks           `json:"blocks"`
 	PrivateMetadata string           `json:"private_metadata"`
 	CallbackID      string           `json:"callback_id"`
-	State           interface{}      `json:"state"`
+	State           *ViewState       `json:"state"`
 	Hash            string           `json:"hash"`
 	ClearOnClose    bool             `json:"clear_on_close"`
 	NotifyOnClose   bool             `json:"notify_on_close"`
@@ -34,17 +38,67 @@ type View struct {
 	BotID           string           `json:"bot_id"`
 }
 
+type ViewSubmissionCallback struct {
+	Hash string `json:"hash"`
+}
+
+type ViewClosedCallback struct {
+	IsCleared bool `json:"is_cleared"`
+}
+
+const (
+	RAClear  ViewResponseAction = "clear"
+	RAUpdate ViewResponseAction = "update"
+	RAPush   ViewResponseAction = "push"
+	RAErrors ViewResponseAction = "errors"
+)
+
+type ViewResponseAction string
+
+type ViewSubmissionResponse struct {
+	ResponseAction ViewResponseAction `json:"response_action"`
+	View           *ModalViewRequest  `json:"view,omitempty"`
+	Errors         map[string]string  `json:"errors,omitempty"`
+}
+
+func NewClearViewSubmissionResponse() *ViewSubmissionResponse {
+	return &ViewSubmissionResponse{
+		ResponseAction: RAClear,
+	}
+}
+
+func NewUpdateViewSubmissionResponse(view *ModalViewRequest) *ViewSubmissionResponse {
+	return &ViewSubmissionResponse{
+		ResponseAction: RAUpdate,
+		View:           view,
+	}
+}
+
+func NewPushViewSubmissionResponse(view *ModalViewRequest) *ViewSubmissionResponse {
+	return &ViewSubmissionResponse{
+		ResponseAction: RAPush,
+		View:           view,
+	}
+}
+
+func NewErrorsViewSubmissionResponse(errors map[string]string) *ViewSubmissionResponse {
+	return &ViewSubmissionResponse{
+		ResponseAction: RAErrors,
+		Errors:         errors,
+	}
+}
+
 type ModalViewRequest struct {
 	Type            ViewType         `json:"type"`
 	Title           *TextBlockObject `json:"title"`
 	Blocks          Blocks           `json:"blocks"`
-	Close           *TextBlockObject `json:"close"`
-	Submit          *TextBlockObject `json:"submit"`
-	PrivateMetadata string           `json:"private_metadata"`
-	CallbackID      string           `json:"callback_id"`
-	ClearOnClose    bool             `json:"clear_on_close"`
-	NotifyOnClose   bool             `json:"notify_on_close"`
-	ExternalID      string           `json:"external_id"`
+	Close           *TextBlockObject `json:"close,omitempty"`
+	Submit          *TextBlockObject `json:"submit,omitempty"`
+	PrivateMetadata string           `json:"private_metadata,omitempty"`
+	CallbackID      string           `json:"callback_id,omitempty"`
+	ClearOnClose    bool             `json:"clear_on_close,omitempty"`
+	NotifyOnClose   bool             `json:"notify_on_close,omitempty"`
+	ExternalID      string           `json:"external_id,omitempty"`
 }
 
 func (v *ModalViewRequest) ViewType() ViewType {
@@ -54,9 +108,9 @@ func (v *ModalViewRequest) ViewType() ViewType {
 type HomeTabViewRequest struct {
 	Type            ViewType `json:"type"`
 	Blocks          Blocks   `json:"blocks"`
-	PrivateMetadata string   `json:"private_metadata"`
-	CallbackID      string   `json:"callback_id"`
-	ExternalID      string   `json:"external_id"`
+	PrivateMetadata string   `json:"private_metadata,omitempty"`
+	CallbackID      string   `json:"callback_id,omitempty"`
+	ExternalID      string   `json:"external_id,omitempty"`
 }
 
 func (v *HomeTabViewRequest) ViewType() ViewType {
@@ -71,7 +125,7 @@ type openViewRequest struct {
 type publishViewRequest struct {
 	UserID string             `json:"user_id"`
 	View   HomeTabViewRequest `json:"view"`
-	Hash   string             `json:"hash"`
+	Hash   string             `json:"hash,omitempty"`
 }
 
 type pushViewRequest struct {
@@ -81,9 +135,9 @@ type pushViewRequest struct {
 
 type updateViewRequest struct {
 	View       ModalViewRequest `json:"view"`
-	ExternalID string           `json:"external_id"`
-	Hash       string           `json:"hash"`
-	ViewID     string           `json:"view_id"`
+	ExternalID string           `json:"external_id,omitempty"`
+	Hash       string           `json:"hash,omitempty"`
+	ViewID     string           `json:"view_id,omitempty"`
 }
 
 type ViewResponse struct {
diff --git a/vendor/github.com/slack-go/slack/websocket_channels.go b/vendor/github.com/slack-go/slack/websocket_channels.go
index 7dd3319b..fe274fd7 100644
--- a/vendor/github.com/slack-go/slack/websocket_channels.go
+++ b/vendor/github.com/slack-go/slack/websocket_channels.go
@@ -45,7 +45,7 @@ type ChannelRenameEvent struct {
 type ChannelRenameInfo struct {
 	ID      string `json:"id"`
 	Name    string `json:"name"`
-	Created string `json:"created"`
+	Created int    `json:"created"`
 }
 
 // ChannelHistoryChangedEvent represents the Channel history changed event
diff --git a/vendor/github.com/slack-go/slack/websocket_managed_conn.go b/vendor/github.com/slack-go/slack/websocket_managed_conn.go
index 6395938c..a8844f82 100644
--- a/vendor/github.com/slack-go/slack/websocket_managed_conn.go
+++ b/vendor/github.com/slack-go/slack/websocket_managed_conn.go
@@ -577,5 +577,6 @@ var EventMapping = map[string]interface{}{
 	"subteam_self_removed": SubteamSelfRemovedEvent{},
 	"subteam_updated":      SubteamUpdatedEvent{},
 
-	"desktop_notification": DesktopNotificationEvent{},
+	"desktop_notification":       DesktopNotificationEvent{},
+	"mobile_in_app_notification": MobileInAppNotificationEvent{},
 }
diff --git a/vendor/github.com/slack-go/slack/websocket_mobile_in_app_notification.go b/vendor/github.com/slack-go/slack/websocket_mobile_in_app_notification.go
new file mode 100644
index 00000000..e3cfb3d9
--- /dev/null
+++ b/vendor/github.com/slack-go/slack/websocket_mobile_in_app_notification.go
@@ -0,0 +1,20 @@
+package slack
+
+// MobileInAppNotificationEvent represents the update event for Mobile App Notification.
+type MobileInAppNotificationEvent struct {
+	Type              string `json:"type"`
+	Title             string `json:"title"`
+	Subtitle          string `json:"subtitle"`
+	Timestamp         string `json:"ts"`
+	Channel           string `json:"channel"`
+	AvatarImage       string `json:"avatarImage"`
+	IsShared          bool   `json:"is_shared"`
+	ChannelName       string `json:"channel_name"`
+	AuthorID          string `json:"author_id"`
+	AuthorDisplayName string `json:"author_display_name"`
+	MessageText       string `json:"msg_text"`
+	PushID            string `json:"push_id"`
+	NotifcationID     string `json:"notif_id"`
+	MobileLaunchURI   string `json:"mobileLaunchUri"`
+	EventTimestamp    string `json:"event_ts"`
+}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 6ca424c9..a82a16bd 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -172,7 +172,7 @@ github.com/sirupsen/logrus
 github.com/skip2/go-qrcode
 github.com/skip2/go-qrcode/bitset
 github.com/skip2/go-qrcode/reedsolomon
-# github.com/slack-go/slack v0.6.3-0.20200228121756-f56d616d5901
+# github.com/slack-go/slack v0.6.3
 github.com/slack-go/slack
 github.com/slack-go/slack/internal/errorsx
 github.com/slack-go/slack/internal/timex