Key | Type | Description
----|------|-------------
`action`|`string` | The action that was performed. Can be one of:<ul><li>`published`: a release, pre-release, or draft of a release is published</li><li>`unpublished`: a release or pre-release is deleted</li><li>`created`: a draft is saved, or a release or pre-release is published without previously being saved as a draft</li><li>`edited`: a release, pre-release, or draft release is edited</li><li>`deleted`: a release, pre-release, or draft release is deleted</li><li>`prereleased`: a pre-release is created</li><li>`released`: a release is published, or a pre-release is changed to a release</li>