SLACKBOT_ACTIVATE_OR_MODIFY_DO_NOT_DISTURB_DURATION
DEPRECATED: Turns on Do Not Disturb mode for the current user, or changes its duration. Use `set_dnd_duration` instead.
SLACKBOT_ADD_A_CUSTOM_EMOJI_TO_A_TEAM
DEPRECATED: Adds a custom emoji to a Slack workspace given a unique name and an image URL. Use `add_emoji` instead.
SLACKBOT_ADD_AN_EMOJI_ALIAS_IN_SLACK
Adds an alias for an existing custom emoji in a Slack Enterprise Grid organization.
SLACKBOT_ADD_A_REMOTE_FILE_FROM_A_SERVICE
Adds a reference to an external file (e.g., Google Drive, Dropbox) to Slack for discovery and sharing, requiring a unique `external_id` and an `external_url` accessible by Slack.
SLACKBOT_ADD_A_STAR_TO_AN_ITEM
Stars a channel, file, file comment, or a specific message in Slack.
SLACKBOT_ADD_CALL_PARTICIPANTS
Registers new participants added to a Slack call.
SLACKBOT_ADD_EMOJI
Adds a custom emoji to a Slack workspace given a unique name and an image URL; subject to workspace emoji limits.
SLACKBOT_ADD_REACTION_TO_AN_ITEM
Adds a specified emoji reaction to an existing message in a Slack channel, identified by its timestamp; does not remove or retrieve reactions.
SLACKBOT_ARCHIVE_A_CONVERSATION
Archives a Slack conversation by its ID, rendering it read-only and hidden while retaining history, ideal for cleaning up inactive channels; be aware that some channels (like #general or certain DMs) cannot be archived and this may impact connected integrations.
SLACKBOT_ARCHIVE_A_PUBLIC_OR_PRIVATE_CHANNEL
Archives a Slack public or private channel, making it read-only; the primary 'general' channel cannot be archived.
SLACKBOT_CHAT_POST_MESSAGE
DEPRECATED: Posts a message to a Slack channel, direct message, or private channel. Use `send_message` instead.
SLACKBOT_CLEAR_STATUS
Clears the Slack status for the authenticated user, removing any custom text and emoji.
SLACKBOT_CLOSE_DM_OR_MULTI_PERSON_DM
Closes a Slack direct message (DM) or multi-person direct message (MPDM) channel, removing it from the user's sidebar without deleting history; this action affects only the calling user's view.
SLACKBOT_CREATE_A_REMINDER
Creates a Slack reminder with specified text and time; time accepts Unix timestamps, seconds from now, or natural language (e.g., 'in 15 minutes', 'every Thursday at 2pm').
SLACKBOT_CREATE_A_USER_GROUP
Creates a new User Group (often referred to as a subteam) in a Slack workspace.
SLACKBOT_CREATE_CANVAS
Creates a new Slack Canvas with the specified title and optional content.
SLACKBOT_CREATE_CHANNEL
Initiates a public or private channel-based conversation
SLACKBOT_CREATE_CHANNEL_BASED_CONVERSATION
Creates a new public or private Slack channel with a unique name; the channel can be org-wide, or team-specific if `team_id` is given (required if `org_wide` is false or not provided).
SLACKBOT_CUSTOMIZE_URL_UNFURL
Customizes URL previews (unfurling) in a specific Slack message using a URL-encoded JSON in `unfurls` to define custom content or remove existing previews.
SLACKBOT_CUSTOMIZE_URL_UNFURLING_IN_MESSAGES
DEPRECATED: Customizes URL previews (unfurling) in a specific Slack message. Use `customize_url_unfurl` instead.
SLACKBOT_DELETE_A_COMMENT_ON_A_FILE
Deletes a specific comment from a file in Slack; this action is irreversible.
SLACKBOT_DELETE_A_FILE_BY_ID
Permanently deletes an existing file from a Slack workspace using its unique file ID; this action is irreversible and also removes any associated comments or shares.
SLACKBOT_DELETE_A_PUBLIC_OR_PRIVATE_CHANNEL
Permanently and irreversibly deletes a specified public or private channel, including all its messages and files, within a Slack Enterprise Grid organization.
SLACKBOT_DELETE_A_REMINDER
Deletes an existing Slack reminder, typically when it is no longer relevant or a task is completed; this operation is irreversible.
SLACKBOT_DELETE_A_SCHEDULED_MESSAGE_IN_A_CHAT
Deletes a pending, unsent scheduled message from the specified Slack channel, identified by its `scheduled_message_id`.
SLACKBOT_DELETE_CANVAS
Deletes a Slack Canvas permanently.
SLACKBOT_DELETES_A_MESSAGE_FROM_A_CHAT
Deletes a message, identified by its channel ID and timestamp, from a Slack channel, private group, or direct message conversation; the authenticated user or bot must be the original poster.
SLACKBOT_DELETE_USER_PROFILE_PHOTO
Deletes the Slack profile photo for the user identified by the token, reverting them to the default avatar; this action is irreversible and succeeds even if no custom photo was set.
SLACKBOT_DISABLE_AN_EXISTING_USER_GROUP
Disables a specified, currently enabled Slack User Group by its unique ID, effectively archiving it by setting its 'date_delete' timestamp; the group is not permanently deleted and can be re-enabled.
SLACKBOT_EDIT_CANVAS
Edits a Slack Canvas with granular control over content placement. Supports replace, insert (before/after/start/end) operations for flexible content management.
SLACKBOT_ENABLE_A_SPECIFIED_USER_GROUP
Enables a disabled User Group in Slack using its ID, reactivating it for mentions and permissions; this action only changes the enabled status and cannot create new groups or modify other properties.
SLACKBOT_ENABLE_PUBLIC_SHARING_OF_A_FILE
Enables public sharing for an existing Slack file by generating a publicly accessible URL; this action does not create new files.
SLACKBOT_END_A_CALL_WITH_DURATION_AND_ID
Ends an ongoing Slack call, identified by its ID (obtained from `calls.add`), optionally specifying the call's duration.
SLACKBOT_END_SNOOZE
Ends the current user's snooze mode immediately.
SLACKBOT_END_USER_DO_NOT_DISTURB_SESSION
Ends the authenticated user's current Do Not Disturb (DND) session in Slack, affecting only DND status and making them available; if DND is not active, Slack acknowledges the request without changing status.
SLACKBOT_END_USER_SNOOZE_MODE_IMMEDIATELY
DEPRECATED: Ends the current user's snooze mode immediately. Use `end_snooze` instead.
SLACKBOT_FETCH_BOT_USER_INFORMATION
Fetches information for a specified, existing Slack bot user; will not work for regular user accounts or other integration types.
SLACKBOT_FETCH_CONVERSATION_HISTORY
Fetches a chronological list of messages and events from a specified Slack conversation, accessible by the authenticated user/bot, with options for pagination and time range filtering.
SLACKBOT_FETCH_CURRENT_TEAM_INFO_WITH_OPTIONAL_TEAM_SCOPE
DEPRECATED: Fetches comprehensive metadata about the current Slack team. Use `fetch_team_info` instead.
SLACKBOT_FETCH_DND_STATUS_FOR_MULTIPLE_TEAM_MEMBERS
DEPRECATED: Retrieves a user's current Do Not Disturb status. Use `get_team_dnd_status` instead.
SLACKBOT_FETCH_ITEM_REACTIONS
Fetches reactions for a Slack message, file, or file comment, requiring one of: channel and timestamp; file ID; or file comment ID.
SLACKBOT_FETCH_MESSAGE_THREAD_FROM_A_CONVERSATION
Retrieves replies to a specific parent message in a Slack conversation, using the channel ID and the parent message's timestamp (`ts`).
SLACKBOT_FETCH_TEAM_INFO
Fetches comprehensive metadata about the current Slack team, or a specified team if the provided ID is accessible.
SLACKBOT_FETCH_WORKSPACE_SETTINGS_INFORMATION
Retrieves detailed settings for a specific Slack workspace, primarily for administrators in an Enterprise Grid organization to view or audit workspace configurations.
SLACKBOT_FIND_CHANNELS
Find channels in a Slack workspace by any criteria - name, topic, purpose, or description.
SLACKBOT_FIND_USER_BY_EMAIL_ADDRESS
Retrieves the Slack user object for an active user by their registered email address; fails with 'users_not_found' if the email is unregistered or the user is inactive.
SLACKBOT_FIND_USERS
Find users in a Slack workspace by any criteria - email, name, display name, or other text. Includes optimized email lookup for exact email matches.
SLACKBOT_GET_CANVAS
Retrieves a specific Slack Canvas by its ID, including its content and metadata.
SLACKBOT_GET_CHANNEL_CONVERSATION_PREFERENCES
Retrieves conversation preferences (e.g., who can post, who can thread) for a specified channel, primarily for use within Slack Enterprise Grid environments.
SLACKBOT_GET_REMINDER_INFORMATION
Retrieves detailed information for an existing Slack reminder specified by its ID; this is a read-only operation.
SLACKBOT_GET_REMOTE_FILE
Retrieve information about a remote file added to Slack.
SLACKBOT_GET_TEAM_DND_STATUS
Retrieves a user's current Do Not Disturb status.
SLACKBOT_GET_USER_PRESENCE_INFO
Retrieves a Slack user's current real-time presence (e.g., 'active', 'away') to determine their availability, noting this action does not provide historical data or status reasons.
SLACKBOT_INITIATES_CHANNEL_BASED_CONVERSATIONS
DEPRECATED: Initiates a public or private channel-based conversation. Use `create_channel` instead.
SLACKBOT_INVITE_USERS_TO_A_CHANNEL
Invites users to an existing Slack channel using their valid Slack User IDs.
SLACKBOT_INVITE_USER_TO_CHANNEL
Invites users to a specified Slack channel; this action is restricted to Enterprise Grid workspaces and requires the authenticated user to be a member of the target channel.
SLACKBOT_INVITE_USER_TO_WORKSPACE
Invites a user to a Slack workspace and specified channels by email; use `resend=True` to re-process an existing invitation for a user not yet signed up.
SLACKBOT_INVITE_USER_TO_WORKSPACE_WITH_OPTIONAL_CHANNEL_INVITES
DEPRECATED: Invites a user to a Slack workspace and specified channels by email. Use `invite_user_to_workspace` instead.
SLACKBOT_JOIN_AN_EXISTING_CONVERSATION
Joins an existing Slack conversation (public channel, private channel, or multi-person direct message) by its ID, if the authenticated user has permission.
SLACKBOT_LEAVE_A_CONVERSATION
Leaves a Slack conversation given its channel ID; fails if leaving as the last member of a private channel or if used on a Slack Connect channel.
SLACKBOT_LIST_ACCESSIBLE_CONVERSATIONS_FOR_A_USER
DEPRECATED: Retrieves conversations accessible to a specified user. Use `list_conversations` instead.
SLACKBOT_LIST_ALL_CHANNELS
Lists conversations available to the user with various filters and search options.
SLACKBOT_LIST_ALL_TEAM_CHANNELS_WITH_VARIOUS_FILTERS
DEPRECATED: Lists conversations available to the user with various filters and search options. Use `list_channels` instead.
SLACKBOT_LIST_ALL_TEAM_USERS_WITH_PAGINATION
DEPRECATED: Retrieves a paginated list of all users in a Slack workspace. Use `list_all_users` instead.
SLACKBOT_LIST_ALL_USERS
Retrieves a paginated list of all users, including comprehensive details, profile information, status, and team memberships, in a Slack workspace; data may not be real-time.
SLACKBOT_LIST_ALL_USERS_IN_A_USER_GROUP
Retrieves a list of all user IDs within a specified Slack user group, with an option to include users from disabled groups.
SLACKBOT_LIST_CANVASES
Lists Slack Canvases with filtering by channel, user, timestamp, and page-based pagination. Uses Slack's files.list API with types=canvas filter.
SLACKBOT_LIST_CONVERSATIONS
List conversations (channels/DMs) accessible to a specified user (or the authenticated user if no user ID is provided), respecting shared membership for non-public channels.
SLACKBOT_LIST_FILES_WITH_FILTERS_IN_SLACK
Lists files and their metadata within a Slack workspace, filterable by user, channel, timestamp, or type; this action returns metadata only, not file content.
SLACKBOT_LIST_REMINDERS
Lists all reminders with their details for the authenticated Slack user; returns an empty list if no reminders exist.
SLACKBOT_LIST_REMOTE_FILES
Retrieve information about a team's remote files.
SLACKBOT_LIST_SCHEDULED_MESSAGES
Retrieves a list of pending (not yet delivered) messages scheduled in a specific Slack channel, or across all accessible channels if no channel ID is provided, optionally filtered by time and paginated.
SLACKBOT_LIST_SCHEDULED_MESSAGES_IN_A_CHANNEL
DEPRECATED: Retrieves a list of pending (not yet delivered) messages scheduled in a specific Slack channel. Use `list_scheduled_messages` instead.
SLACKBOT_LISTS_PINNED_ITEMS_IN_A_CHANNEL
Retrieves all messages and files pinned to a specified channel; the caller must have access to this channel.
SLACKBOT_LIST_S_REMOTE_FILES_WITH_FILTERS
DEPRECATED: Retrieve information about a team's remote files. Use `list_remote_files` instead.
SLACKBOT_LIST_STARRED_ITEMS
Lists items starred by a user.
SLACKBOT_LISTS_USER_S_STARRED_ITEMS_WITH_PAGINATION
DEPRECATED: Lists items starred by a user. Use `list_starred_items` instead.
SLACKBOT_LIST_TEAM_CUSTOM_EMOJIS
Retrieves all custom emojis for the Slack workspace (image URLs or aliases), not standard Unicode emojis; does not include usage statistics or creation dates.
SLACKBOT_LIST_USER_GROUPS_FOR_TEAM_WITH_OPTIONS
Lists user groups in a Slack workspace, including user-created and default groups; results for large workspaces may be paginated.
SLACKBOT_LIST_USER_REACTIONS
Lists all reactions added by a specific user to messages, files, or file comments in Slack, useful for engagement analysis when the item content itself is not required.
SLACKBOT_LIST_USER_REMINDERS_WITH_DETAILS
DEPRECATED: Lists all reminders with their details for the authenticated Slack user. Use `list_reminders` instead.
SLACKBOT_LIST_WORKSPACE_USERS
Retrieves a paginated list of admin users for a specified Slack workspace.
SLACKBOT_LOOKUP_CANVAS_SECTIONS
Looks up section IDs in a Slack Canvas for use with targeted edit operations. Section IDs are needed for insert_after, insert_before, delete, and section-specific replace operations.
SLACKBOT_MANUALLY_SET_USER_PRESENCE
Manually sets a user's Slack presence, overriding automatic detection; this setting persists across connections but can be overridden by user actions or Slack's auto-away (e.g., after 10 mins of inactivity).
SLACKBOT_MARK_REMINDER_AS_COMPLETE
Marks a specific Slack reminder as complete using its `reminder` ID; **DEPRECATED**: This Slack API endpoint ('reminders.complete') was deprecated in March 2023 and is not recommended for new applications.
SLACKBOT_OPEN_DM
Opens or resumes a Slack direct message (DM) or multi-person direct message (MPIM) by providing either user IDs or an existing channel ID.
SLACKBOT_OPEN_OR_RESUME_DIRECT_OR_MULTI_PERSON_MESSAGES
DEPRECATED: Opens or resumes a Slack direct message (DM) or multi-person direct message (MPIM). Use `open_dm` instead.
SLACKBOT_PINS_AN_ITEM_TO_A_CHANNEL
Pins a message to a specified Slack channel; the message must not already be pinned.
SLACKBOT_REGISTER_CALL_PARTICIPANTS_REMOVAL
DEPRECATED: Registers participants removed from a Slack call. Use `remove_call_participants` instead.
SLACKBOT_REGISTERS_A_NEW_CALL_WITH_PARTICIPANTS
DEPRECATED: Registers a new call in Slack using `calls.add` for third-party call integration. Use `start_call` instead.
SLACKBOT_REGISTERS_NEW_CALL_PARTICIPANTS
DEPRECATED: Registers new participants added to a Slack call. Use `add_call_participants` instead.
SLACKBOT_REMOVE_A_REMOTE_FILE
Removes the Slack reference to an external file (which must have been previously added via the remote files API), specified by either its `external_id` or `file` ID (one of which is required), without deleting the actual external file.
SLACKBOT_REMOVE_A_STAR_FROM_AN_ITEM
Removes a star from a previously starred Slack item (message, file, file comment, channel, group, or DM), requiring identification via `file`, `file_comment`, `channel` (for channel/group/DM), or both `channel` and `timestamp` (for a message).
SLACKBOT_REMOVE_A_USER_FROM_A_CONVERSATION
Removes a specified user from a Slack conversation (channel); the caller must have permissions to remove users and cannot remove themselves using this action.
SLACKBOT_REMOVE_CALL_PARTICIPANTS
Registers participants removed from a Slack call.
SLACKBOT_REMOVE_REACTION_FROM_ITEM
Removes an emoji reaction from a message, file, or file comment in Slack.
SLACKBOT_RENAME_A_CHANNEL
Renames a public or private Slack channel; for Enterprise Grid workspaces, the user must be a Workspace Admin or Channel Manager.
SLACKBOT_RENAME_A_CONVERSATION
Renames a Slack channel, automatically adjusting the new name to meet naming conventions (e.g., converting to lowercase), which may affect integrations using the old name.
SLACKBOT_RENAME_AN_EMOJI
Renames an existing custom emoji in a Slack workspace, updating all its instances.
SLACKBOT_RETRIEVE_A_USER_S_IDENTITY_DETAILS
Retrieves the authenticated user's and their team's identity, with details varying based on OAuth scopes (e.g., `identity.basic`, `identity.email`, `identity.avatar`).
SLACKBOT_RETRIEVE_CALL_INFORMATION
Retrieves a point-in-time snapshot of a specific Slack call's information.
SLACKBOT_RETRIEVE_CONVERSATION_INFORMATION
Retrieves metadata for a Slack conversation by ID (e.g., name, purpose, creation date, with options for member count/locale), excluding message content; requires a valid channel ID.
SLACKBOT_RETRIEVE_CONVERSATION_MEMBERS_LIST
Retrieves a paginated list of active member IDs for a specified Slack public channel, private channel, direct message (DM), or multi-person direct message (MPIM).
SLACKBOT_RETRIEVE_CURRENT_USER_DND_STATUS
Retrieves a Slack user's current Do Not Disturb (DND) status to determine their availability before interaction; any specified user ID must be a valid Slack user ID.
SLACKBOT_RETRIEVE_DETAILED_INFORMATION_ABOUT_A_FILE
Retrieves detailed metadata and paginated comments for a specific Slack file ID; does not download file content.
SLACKBOT_RETRIEVE_DETAILED_USER_INFORMATION
Retrieves comprehensive information for a valid Slack user ID, excluding message history and channel memberships.
SLACKBOT_RETRIEVE_MESSAGE_PERMALINK_URL
Retrieves a permalink URL for a specific message in a Slack channel or conversation; the permalink respects Slack's privacy settings.
SLACKBOT_RETRIEVE_REMOTE_FILE_INFO_IN_SLACK
DEPRECATED: Retrieve information about a remote file added to Slack. Use `get_remote_file` instead.
SLACKBOT_RETRIEVE_TEAM_PROFILE_DETAILS
Retrieves all profile field definitions for a Slack team, optionally filtered by visibility, to understand the team's profile structure.
SLACKBOT_RETRIEVE_USER_PROFILE_INFORMATION
Retrieves profile information for a specified Slack user (defaults to the authenticated user if `user` ID is omitted); a provided `user` ID must be valid.
SLACKBOT_REVERSE_A_CONVERSATION_S_ARCHIVAL_STATUS
DEPRECATED: Reverses conversation archival. Use `unarchive_channel` instead.
SLACKBOT_REVOKE_PUBLIC_SHARING_ACCESS_FOR_A_FILE
Revokes a Slack file's public URL, making it private; this is a no-op if not already public and is irreversible.
SLACKBOT_SCHEDULE_MESSAGE
Schedules a message to a Slack channel, DM, or private group for a future time (`post_at`), requiring `text`, `blocks`, or `attachments` for content; scheduling is limited to 120 days in advance.
SLACKBOT_SCHEDULES_A_MESSAGE_TO_A_CHANNEL_AT_A_SPECIFIED_TIME
DEPRECATED: Schedules a message to a Slack channel, DM, or private group for a future time. Use `schedule_message` instead.
SLACKBOT_SEARCH_ALL
Tool to search all messages and files. Use when you need unified content search across channels and files in one call.
SLACKBOT_SEARCH_FOR_MESSAGES_WITH_QUERY
DEPRECATED: Searches messages in a Slack workspace using a query with optional modifiers. Use `search_messages` instead.
SLACKBOT_SEARCH_MESSAGES
Workspace‑wide Slack message search with date ranges and filters. Use `query` modifiers (e.g., in:#channel, from:@user, before/after:YYYY-MM-DD), sorting (score/timestamp), and pagination.
SLACKBOT_SEND_EPHEMERAL_MESSAGE
Sends an ephemeral message to a user in a channel.
SLACKBOT_SEND_MESSAGE
Posts a message to a Slack channel, direct message, or private group; requires content via `text`, `blocks`, or `attachments`.
SLACKBOT_SENDS_A_MESSAGE_TO_A_CHANNEL
DEPRECATED: Posts a message to a Slack channel, direct message, or private group. Use `send_message` instead.
SLACKBOT_SENDS_EPHEMERAL_MESSAGES_TO_CHANNEL_USERS
DEPRECATED: Sends an ephemeral message to a user in a channel. Use `send_ephemeral_message` instead.
SLACKBOT_SET_A_CONVERSATION_S_PURPOSE
Sets the purpose (a short description of its topic/goal, displayed in the header) for a Slack conversation; the calling user must be a member.
SLACKBOT_SET_DND_DURATION
Turns on Do Not Disturb mode for the current user, or changes its duration.
SLACKBOT_SET_PROFILE_PHOTO
This method allows the user to set their profile image.
SLACKBOT_SET_READ_CURSOR_IN_A_CONVERSATION
Marks a message, specified by its timestamp (`ts`), as the most recently read for the authenticated user in the given `channel`, provided the user is a member of the channel and the message exists within it.
SLACKBOT_SET_STATUS
Sets the Slack status for the authenticated user with a custom text and optional emoji. The status appears next to the user's name in Slack.
SLACKBOT_SET_THE_TOPIC_OF_A_CONVERSATION
Sets or updates the topic for a specified Slack conversation.
SLACKBOT_SET_USER_PROFILE_INFORMATION
Updates a Slack user's profile, setting either individual fields or multiple fields via a JSON object.
SLACKBOT_SET_USER_PROFILE_PHOTO_WITH_CROPPING_OPTIONS
DEPRECATED: This method allows the user to set their profile image. Use `set_profile_photo` instead.
SLACKBOT_SHARE_A_ME_MESSAGE_IN_A_CHANNEL
Sends a 'me message' (e.g., '/me is typing') to a Slack channel, where it's displayed as a third-person user action; messages are plain text and the channel must exist and be accessible.
SLACKBOT_SHARE_REMOTE_FILE_IN_CHANNELS
Shares a remote file, which must already be registered with Slack, into specified Slack channels or direct message conversations.
SLACKBOT_START_CALL
Registers a new call in Slack using `calls.add` for third-party call integration; `created_by` is required if not using a user-specific token.
SLACKBOT_START_REAL_TIME_MESSAGING_SESSION
Initiates a Slack RTM session providing a single-use WebSocket URL (valid 30s) for event streaming; does not set initial presence status.
SLACKBOT_UNARCHIVE_A_PUBLIC_OR_PRIVATE_CHANNEL
Unarchives a specified public or private Slack channel that is currently archived, using its channel ID.
SLACKBOT_UNARCHIVE_CHANNEL
Reverses conversation archival.
SLACKBOT_UNPIN_ITEM_FROM_CHANNEL
Unpins a message, identified by its timestamp, from a specified channel if the message is currently pinned there; this operation is destructive.
SLACKBOT_UPDATE_AN_EXISTING_USER_GROUP
Updates an existing Slack User Group, which must be specified by an existing `usergroup` ID, with new optional details such as its name, description, handle, or default channels.
SLACKBOT_UPDATE_CALL_INFORMATION
Updates the title, join URL, or desktop app join URL for an existing Slack call identified by its ID.
SLACKBOT_UPDATES_A_MESSAGE
Updates a Slack message, identified by `channel` ID and `ts` timestamp, by modifying its `text`, `attachments`, or `blocks`; provide at least one content field, noting `attachments`/`blocks` are replaced if included (`[]` clears them).
SLACKBOT_UPDATES_AN_EXISTING_REMOTE_FILE
Updates metadata or content details for an existing remote file in Slack; this action cannot upload new files or change the fundamental file type.
SLACKBOT_UPDATE_USER_GROUP_MEMBERS
Replaces all members of an existing Slack User Group with a new list of valid user IDs.
SLACKBOT_UPLOAD_OR_CREATE_A_FILE_IN_SLACK
Uploads a file to Slack, requiring either `content` (for text) or `file` (for binary data), optionally sharing it in specified `channels` or as a reply via `thread_ts`.