Slack.Web.Channels.set_topic

You're seeing just the function set_topic, go back to Slack.Web.Channels module for more information.

set_topic(channel, topic, optional_params \\ %{})

Sets the topic for a channel.

Required Params

channel - Channel to set the topic of
topic - The new topic ex: My Topic

Errors the API can return:

channel_not_found - Value passed for channel was invalid.
is_archived - Channel has been archived.
not_in_channel - Authenticated user is not in the channel.
too_long - Topic was longer than 250 characters.
user_is_restricted - Setting the topic is a restricted action.