Storeware Docs
Event reference

Menu item events

Topics named menu_item.*, when each is sent, and the permissions that receive it.

TopicSent whenNeeds one of
menu_item.created.v1a menu link is addedcontent:read
menu_item.updated.v1a menu link changescontent:read
menu_item.deleted.v1a menu link is removedcontent:read

What a payload carries, and how delivery is retried: Payloads and delivery.