SlackWeb.Rtm.start

You're seeing just the function start, go back to SlackWeb.Rtm module for more information.

start(optional_params \\ %{})

Starts a Real Time Messaging session.

Optional Params

mpim_aware - Returns MPIMs to the client in the API response.
no_unreads - Skip unread counts for each channel (improves performance).
simple_latest - Return timestamp only for latest message object of each channel (improves performance).

Errors the API can return:

migration_in_progress - Team is being migrated between servers. See the team_migration_started event documentation for details.