on_message_delete-- Logs content and other attributes of message which was just deleted.
on_bulk_message_delete-- Logs channel from which messages was deleted in bulk.
on_message_edit-- Logs old and new content along with other attributes of message which was just edited.
on_guild_channel_pins_update-- Logs several attributes when a message is pinned in channel.
on_member_join-- Logs useful attributes of member who just joined the server.
on_member_remove-- Logs attributes of member who just left the server.
on_confession-- Logs information about each confessions made through secret confessions.
on_moderation-- Logs several attributes of member, type of moderation, moderator and reason if it was provided when moderator or auto-moderator performs any moderation action on this member.
on_text_level_up-- Logs and congratulates when a member advances to upper text level.
on_voice_level_up-- Logs and congratulates when a member advances to upper voice level.