Slack

Slack messaging platform integration

This node signs in with a credential: Slack API Token. See Connect a credential.

Triggers

Events from this node that can start a flow. Add one from Choose a trigger.

New Message Posted

Triggers when a new message is posted to a channel

Settings

Field	Type	Required	Description
URL Group › Callback URL	Text	Yes	Copy this URL and paste it in your Slack app's Event Subscriptions settings

Output

Later steps use this data through Current Trigger in the $ picker. For example, channel_id is $trigger.output.channel_id.

json

{
  "channel_id": "string",
  "event_type": "string",
  "team": "string",
  "text": "string",
  "ts": "string",
  "user_id": "string"
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
`channel_id`	Text	The ID of the channel where the message was posted
`event_type`	Text	The type of event (message)
`team`	Text	The team ID (workspace)
`text`	Text	The text content of the message
`ts`	Text	The timestamp of the message
`user_id`	Text	The ID of the user who posted the message

New Channel Created

Triggers when a new channel is created

Settings

Field	Type	Required	Description
URL Group › Callback URL	Text	Yes	Copy this URL and paste it in your Slack app's Event Subscriptions settings

Output

Later steps use this data through Current Trigger in the $ picker. For example, channel_id is $trigger.output.channel_id.

json

{
  "channel_id": "string",
  "channel_name": "string",
  "created": 0,
  "creator_id": "string",
  "event_type": "string",
  "is_private": false
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
`channel_id`	Text	The ID of the created channel
`channel_name`	Text	The name of the created channel
`created`	Number	The timestamp when the channel was created
`creator_id`	Text	The ID of the user who created the channel
`event_type`	Text	The type of event (channel_created)
`is_private`	Yes / No	Whether the channel is private

User Joined Channel

Triggers when a user joins a channel

Settings

Field	Type	Required	Description
URL Group › Callback URL	Text	Yes	Copy this URL and paste it in your Slack app's Event Subscriptions settings

Output

Later steps use this data through Current Trigger in the $ picker. For example, channel_id is $trigger.output.channel_id.

json

{
  "channel_id": "string",
  "event_type": "string",
  "team": "string",
  "user_id": "string"
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
`channel_id`	Text	The ID of the channel the user joined
`event_type`	Text	The type of event (member_joined_channel)
`team`	Text	The team ID (workspace)
`user_id`	Text	The ID of the user who joined the channel

Message Pinned

Triggers when a message is pinned to a channel

Settings

Field	Type	Required	Description
URL Group › Callback URL	Text	Yes	Copy this URL and paste it in your Slack app's Event Subscriptions settings

Output

Later steps use this data through Current Trigger in the $ picker. For example, channel_id is $trigger.output.channel_id.

json

{
  "channel_id": "string",
  "event_type": "string",
  "message_ts": "string",
  "team": "string",
  "user_id": "string"
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
`channel_id`	Text	The ID of the channel where the message was pinned
`event_type`	Text	The type of event (pin_added)
`message_ts`	Text	The timestamp of the pinned message
`team`	Text	The team ID (workspace)
`user_id`	Text	The ID of the user who pinned the message

Message Unpinned

Triggers when a message is unpinned from a channel

Settings

Field	Type	Required	Description
URL Group › Callback URL	Text	Yes	Copy this URL and paste it in your Slack app's Event Subscriptions settings

Output

Later steps use this data through Current Trigger in the $ picker. For example, channel_id is $trigger.output.channel_id.

json

{
  "channel_id": "string",
  "event_type": "string",
  "message_ts": "string",
  "team": "string",
  "user_id": "string"
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
`channel_id`	Text	The ID of the channel where the message was unpinned
`event_type`	Text	The type of event (pin_removed)
`message_ts`	Text	The timestamp of the unpinned message
`team`	Text	The team ID (workspace)
`user_id`	Text	The ID of the user who unpinned the message

User Mentioned

Triggers when a specific user is mentioned in a channel

Settings

Field	Type	Required	Description
URL Group › Callback URL	Text	Yes	Copy this URL and paste it in your Slack app's Event Subscriptions settings
User ID to Monitor	Text		The Slack user ID to monitor for mentions (e.g., U1234567890). Leave empty to monitor all user mentions.
Channel Filter	Text		Comma-separated list of channel IDs to monitor (e.g., C123,C456). Leave empty to monitor all channels.

Output

Later steps use this data through Current Trigger in the $ picker. For example, channel_id is $trigger.output.channel_id.

json

{
  "channel_id": "string",
  "event_type": "string",
  "mentioned_user_id": "string",
  "team": "string",
  "text": "string",
  "ts": "string",
  "user_id": "string"
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
`channel_id`	Text	The ID of the channel where the mention occurred
`event_type`	Text	The type of event (message with mention)
`mentioned_user_id`	Text	The ID of the user who was mentioned
`team`	Text	The team ID (workspace)
`text`	Text	The text content of the message containing the mention
`ts`	Text	The timestamp of the message
`user_id`	Text	The ID of the user who sent the message with the mention

Bot Mentioned

Triggers when the bot is mentioned in a channel

Settings

Field	Type	Required	Description
URL Group › Callback URL	Text	Yes	Copy this URL and paste it in your Slack app's Event Subscriptions settings
Channel Filter	Text		Comma-separated list of channel IDs to monitor (e.g., C123,C456). Leave empty to monitor all channels.

Output

Later steps use this data through Current Trigger in the $ picker. For example, channel_id is $trigger.output.channel_id.

json

{
  "channel_id": "string",
  "event_type": "string",
  "team": "string",
  "text": "string",
  "ts": "string",
  "user_id": "string"
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
`channel_id`	Text	The ID of the channel where the bot was mentioned
`event_type`	Text	The type of event (app_mention)
`team`	Text	The team ID (workspace)
`text`	Text	The text content of the message mentioning the bot
`ts`	Text	The timestamp of the message
`user_id`	Text	The ID of the user who mentioned the bot

Message Received

Triggers when the bot receives a direct message

Settings

Field	Type	Required	Description
URL Group › Callback URL	Text	Yes	Copy this URL and paste it in your Slack app's Event Subscriptions settings

Output

Later steps use this data through Current Trigger in the $ picker. For example, channel_id is $trigger.output.channel_id.

json

{
  "channel_id": "string",
  "event_type": "string",
  "team": "string",
  "text": "string",
  "ts": "string",
  "user_id": "string"
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
`channel_id`	Text	The ID of the DM channel
`event_type`	Text	The type of event (message.im)
`team`	Text	The team ID (workspace)
`text`	Text	The text content of the direct message
`ts`	Text	The timestamp of the message
`user_id`	Text	The ID of the user who sent the DM

Reaction

Triggers when a reaction is added to a message

Settings

Field	Type	Required	Description
URL Group › Callback URL	Text	Yes	Copy this URL and paste it in your Slack app's Event Subscriptions settings
Emoji Filter	Text		Comma-separated list of emoji names to monitor (e.g., thumbsup,heart,eyes). Leave empty to monitor all reactions.
Channel Filter	Text		Comma-separated list of channel IDs to monitor (e.g., C123,C456). Leave empty to monitor all channels.

Output

Later steps use this data through Current Trigger in the $ picker. For example, channel_id is $trigger.output.channel_id.

json

{
  "channel_id": "string",
  "event_type": "string",
  "item_user": "string",
  "message_ts": "string",
  "reaction": "thumbsup",
  "team": "string",
  "user_id": "string"
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
`channel_id`	Text	The ID of the channel where the reaction was added
`event_type`	Text	The type of event (reaction_added)
`item_user`	Text	The ID of the user who created the original item
`message_ts`	Text	The timestamp of the message that was reacted to
`reaction`	Text	The name of the emoji reaction (e.g., thumbsup, heart)
`team`	Text	The team ID (workspace)
`user_id`	Text	The ID of the user who added the reaction

Actions

Steps this node can perform. Add one from Add a step, then pick the action.

List Channels

List channels in the workspace

Settings

Field	Type	Required	Description
Exclude Archived	Yes / No		Whether to exclude archived channels Default: `true`
Channel Types	Choice		Types of channels to include Options: `Public Channels` Default: `public_channel`

Output

Later steps use this data by picking this step in the $ picker. For example, channel_count is $.<step ID>.output.channel_count.

json

{
  "channel_count": 0,
  "channel_ids": [
    "string"
  ],
  "channel_names": [
    "string"
  ],
  "channels": [
    {
      "created": 0,
      "creator": "string",
      "id": "string",
      "is_archived": false,
      "is_general": false,
      "is_member": false,
      "is_private": false,
      "name": "string",
      "num_members": 0,
      "purpose": "string",
      "topic": "string"
    }
  ],
  "has_more": false,
  "next_cursor": "string",
  "success": false
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
`channel_count`	Number	Number of channels on this page
`channel_ids[]`	List	IDs of the channels on this page, in order
`channel_names[]`	List	Names of the channels on this page, in order
`channels[]`	List	Channels on this page
`channels[].created`	Number	Creation time in Unix seconds
`channels[].creator`	Text	User ID of the channel creator
`channels[].id`	Text	Channel ID
`channels[].is_archived`	Yes / No	Whether the channel is archived
`channels[].is_general`	Yes / No	Whether this is the workspace general channel
`channels[].is_member`	Yes / No	Whether the bot is a member
`channels[].is_private`	Yes / No	Whether the channel is private
`channels[].name`	Text	Channel name
`channels[].num_members`	Number	Number of members
`channels[].purpose`	Text	Purpose text
`channels[].topic`	Text	Topic text
`has_more`	Yes / No	Whether more channels are available
`next_cursor`	Text	Cursor for the next page; absent on the last page
`success`	Yes / No	True when Slack returned the list

Get Channel Info

Get information about a Slack channel

Settings

Field	Type	Required	Description
Channel ID	Text	Yes	The ID of the channel to get information about

Output

Later steps use this data by picking this step in the $ picker. For example, channel is $.<step ID>.output.channel.

json

{
  "channel": {},
  "channel_id": "string",
  "channel_name": "string",
  "is_archived": false,
  "is_private": false,
  "member_count": 0,
  "purpose": "string",
  "success": false,
  "topic": "string"
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
`channel`	Object	The full channel object returned by Slack conversations.info (id, name, topic, purpose, members, ...)
`channel_id`	Text	Channel ID
`channel_name`	Text	Channel name
`is_archived`	Yes / No	Whether the channel is archived
`is_private`	Yes / No	Whether the channel is private
`member_count`	Number	Number of member IDs Slack returned with the channel
`purpose`	Text	Purpose text; absent when the channel has no purpose
`success`	Yes / No	True when Slack returned the channel
`topic`	Text	Topic text; absent when the channel has no topic

Get User Info

Get information about a Slack user

Settings

Field	Type	Required	Description
User ID	Text	Yes	The ID of the user to get information about

Output

Later steps use this data by picking this step in the $ picker. For example, avatar is $.<step ID>.output.avatar.

json

{
  "avatar": "string",
  "display_name": "string",
  "email": "string",
  "is_admin": false,
  "is_bot": false,
  "profile": {},
  "real_name": "string",
  "status": "string",
  "success": false,
  "user": {},
  "user_id": "string",
  "username": "string"
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
`avatar`	Text	URL of the 192px avatar; absent when not set
`display_name`	Text	Display name; absent when not set
`email`	Text	Email address; absent when not set or not visible
`is_admin`	Yes / No	Whether the user is a workspace admin
`is_bot`	Yes / No	Whether the user is a bot
`profile`	Object	The full user profile returned by Slack (email, display_name, title, image_192, ...)
`real_name`	Text	Full name
`status`	Text	Status text; absent when not set
`success`	Yes / No	True when Slack returned the user
`user`	Object	The full user object returned by Slack users.info (id, team_id, name, real_name, tz, ...)
`user_id`	Text	User ID
`username`	Text	Username

Send Message

Send a message to a Slack channel or user

Settings

Field	Type	Required	Description
Channel ID	Text	Yes	The ID of the channel or user to send the message to
Message Text	Text	Yes	The text content of the message
Message Type	Choice		The type of message to send Options: `Text`, `Attachments`, `Blocks` Default: `text`
Attachments	Code		JSON string of message attachments (for legacy formatting)
Blocks	Code		JSON string of Block Kit blocks

Output

Later steps use this data by picking this step in the $ picker. For example, channel is $.<step ID>.output.channel.

json

{
  "channel": "string",
  "message": "string",
  "message_ts": "string",
  "success": false
}

Example values show the shape of the data, not real values. See Using data from earlier steps.

Field descriptions

Field	Type	Description
`channel`	Text
`message`	Any
`message.attachments[]`	List	Legacy attachments. Elements are free-form Slack attachment objects
`message.blocks[]`	List	Block Kit blocks. Elements are free-form Block Kit objects
`message.text`	Text	Message text
`message.ts`	Text	Message timestamp
`message.username`	Text	Username if available
`message_ts`	Text
`success`	Yes / No

Slack ​

Triggers ​

New Message Posted ​

New Channel Created ​

User Joined Channel ​

Message Pinned ​

Message Unpinned ​

User Mentioned ​

Bot Mentioned ​

Message Received ​

Reaction ​

Actions ​

List Channels ​

Get Channel Info ​

Get User Info ​

Send Message ​

Slack

Triggers

New Message Posted

New Channel Created

User Joined Channel

Message Pinned

Message Unpinned

User Mentioned

Bot Mentioned

Message Received

Reaction

Actions

List Channels

Get Channel Info

Get User Info

Send Message