Storeware Docs
Event reference

Collection events

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

TopicSent whenNeeds one of
collection.created.v1a collection is createdproducts:read
collection.updated.v1a collection changesproducts:read
collection.deleted.v1a collection is deletedproducts:read

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