As part of the Conversations API, this method's required scopes depend on the type of channel-like object you're working with. For classic Slack apps, a corresponding channels: scope is required when working with public channels, groups: for private channels, also the same rules are applied for im: and mpim:. For workspace apps, a conversations: scope is all that's needed.
Paginate through collections of data by setting the cursor parameter to a next_cursor attribute returned by a previous request's response_metadata. Default value fetches the first "page" of the collection. See pagination for more detail.
The maximum number of items to return. Fewer than the requested number of items may be returned, even if the end of the users list hasn't been reached.
Present arguments as parameters in application/x-www-form-urlencoded querystring or POST body. This method does not currently accept application/json.
Returns a list of user IDs belonging to the members in a conversation.
Typical error response when an invalid cursor is provided
This method uses cursor-based pagination to make it easier to incrementally collect information. To begin pagination, specify a limit value under 1000. We recommend no more than 200 results at a time.
Responses will include a top-level response_metadata attribute containing a next_cursor value. By using this value as a cursor parameter in a subsequent request, along with limit, you may navigate through the collection page by virtual page.
For apps created after August 7, 2018, this method defaults to cursor-based pagination. Use the limit and cursor parameters to guarantee your passage into the paradise of cursored pagination.
This table lists the expected errors that this method could return.
However, other errors can be returned in the case where the service is down
or other unexpected factors affect processing. Callers should always
check the value of the ok params in the response.
This type of conversation cannot be used with this method.
The token used is not granted the specific scope permissions required to complete this request.
Value passed for channel was invalid.
Value passed for limit was invalid.
Value passed for cursor was invalid.
Failed to fetch members for the conversation.
No authentication token provided.
Some aspect of authentication cannot be validated. Either the provided token is invalid or the request originates from an IP address disallowed from making the request.
Authentication token is for a deleted user or workspace.
Authentication token is for a deleted user or workspace or the app has been removed.
The workspace token used in this request does not have the permissions necessary to complete the request. Make sure your app is a member of the conversation it's attempting to post a message to.
The workspace is undergoing an enterprise migration and will not be available until migration is complete.
Administrators have suspended the ability to post a message.
The method was called with invalid arguments.
The method was passed an argument whose name falls outside the bounds of accepted or expected values. This includes very long names and names with non-alphanumeric characters other than _. If you get this error, it is typically an indication that you have made a very malformed API call.
The method was called via a POST request, but the charset specified in the Content-Type header was invalid. Valid charset names are: utf-8iso-8859-1.
The method was called via a POST request with Content-Typeapplication/x-www-form-urlencoded or multipart/form-data, but the form data was either missing or syntactically invalid.
The method was called via a POST request, but the specified Content-Type was invalid. Valid types are: application/jsonapplication/x-www-form-urlencodedmultipart/form-datatext/plain.
The method was called via a POST request and included a data payload, but the request did not include a Content-Type header.
The workspace associated with your request is currently undergoing migration to an Enterprise Organization. Web API and other platform operations will be intermittently unavailable until the transition is complete.
The method was called via a POST request, but the POST data was either missing or truncated.
The server could not complete your operation(s) without encountering a catastrophic error. It's possible some aspect of the operation succeeded before the error was raised.
This table lists the expected warnings that this method will return.
However, other warnings can be returned in the case where the service
is experiencing unexpected trouble.
The method was called via a POST request, and recommended practice for the specified Content-Type is to include a charset parameter. However, no charset was present. Specifically, non-form-data content types (e.g. text/plain) are the ones for which charset is recommended.
The method was called via a POST request, and the specified Content-Type is not defined to understand the charset parameter. However, charset was in fact present. Specifically, form-data content types (e.g. multipart/form-data) are the ones for which charset is superfluous.