Alchemy.Events.on_integrations_update

You're seeing just the macro on_integrations_update, go back to Alchemy.Events module for more information.
Link to this macro

on_integrations_update(func)

(macro)

Registers a handle triggering whenever a guild's integrations get updated.

args : snowflake

Like other guild events, the info doesn't actually come through this event, but through on_guild_update. This hook is merely useful for reacting to the event having happened.