You're seeing just the function
unfurl, go back to SlackWeb.Chat module for more information.
Provide custom unfurl behavior for user-posted URLs.
channel- Channel ID of the message. ex:
ts- Timestamp of the message to add unfurl behavior to. ex:
unfurls- URL-encoded JSON map with keys set to URLs featured in the the message, pointing to their unfurl blocks or message attachments.
user_auth_message- Provide a simply-formatted string to send as an ephemeral message to the user as invitation to authenticate further and enable full unfurling behavior.
user_auth_required- Set to true or 1 to indicate the user must install your Slack app to trigger unfurls for this domain. ex:
user_auth_url- Send users to this custom URL where they will complete authentication in your app to fully trigger unfurling. Value should be properly URL-encoded.. ex:
Errors the API can return:
invalid_unfurls_format- The unfurls parameter cannot be JSON-decoded into a map of URLs to attachments.
org_login_required- The workspace is undergoing an enterprise migration and will not be available until migration is complete.
enterprise_is_restricted- The method cannot be called from an Enterprise.
cannot_find_message- The ts value in the request does not match a message.
invalid_auth- 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.
deprecated_endpoint- The endpoint has been deprecated.
cannot_find_service- A record of your app being allowed to unfurl for this workspace could not be found.
ratelimited- The request has been ratelimited. Refer to the Retry-After header for when to retry the request.
request_timeout- The method was called via a POST request, but the POST data was either missing or truncated.
cannot_find_channel- The specified channel could not be located for this token.
method_deprecated- The method has been deprecated.
fatal_error- 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.
invalid_charset- The method was called via a POST request, but the charset specified in the Content-Type header was invalid. Valid charset names are: utf-8 iso-8859-1.
invalid_arg_name- 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.
invalid_form_data- The method was called via a POST request with Content-Type application/x-www-form-urlencoded or multipart/form-data, but the form data was either missing or syntactically invalid.
cannot_unfurl_url- The URL cannot be unfurled. This error may be returned if you haven't acknowledged a link_shared event tied to the same URL. It is also returned when the domain appears in a workspace's administrative blacklists.
account_inactive- Authentication token is for a deleted user or workspace.
internal_error- The server could not complete your operation(s) without encountering an error, likely due to a transient issue on our end. It's possible some aspect of the operation succeeded before the error was raised.
missing_scope- The token used is not granted the specific scope permissions required to complete this request.
two_factor_setup_required- Two factor setup is required.
is_bot- This method cannot be called by a bot user.
missing_unfurls- The request is missing the unfurls parameter.
cannot_prompt- The current user has already interacted with and dismissed a prompt for this application.
cannot_unfurl_message- The URL cannot be unfurled because the URL provided does not appear in the message.
cannot_parse_attachment- The provided unfurls argument could not be parsed or understood.
invalid_array_arg- The method was passed an array as an argument. Please only input valid strings.
missing_channel- The request is missing the channel parameter
token_revoked- Authentication token is for a deleted user or workspace or the app has been removed.
no_permission- 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.
accesslimited- Access to this method is limited on the current network
missing_ts- The request is missing the ts parameter
service_unavailable- The service is temporarily unavailable
invalid_arguments- The method was either called with invalid arguments or some detail about the arguments passed are invalid, which is more likely when using complex arguments like blocks or attachments.
missing_post_type- The method was called via a POST request and included a data payload, but the request did not include a Content-Type header.
not_allowed_token_type- The token type used in this request is not allowed.
not_authed- No authentication token provided.
ekm_access_denied- Administrators have suspended the ability to post a message.
team_added_to_org- 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.
invalid_post_type- The method was called via a POST request, but the specified Content-Type was invalid. Valid types are: application/json application/x-www-form-urlencoded multipart/form-data text/plain.