workflow_unpublished

{
   "type": "workflow_unpublished",
   "workflow_id": "338772933017143757",
   "workflow_draft_configuration":{
      "version_id": "338776445998336786",
      "app_steps":[
         {
            "app_id": "A012VT792TC",
            "workflow_step_id": "def5f7a2-365f-42e9-8ab8-26f9e9716696",
            "callback_id": "take_two"
         },
         {
            "app_id": "A012VT792TC",
            "workflow_step_id": "19dab8c3-c062-43f7-a912-a69da0cf0bc0",
            "callback_id": "take_three"
         }
      ]
   },
   "event_ts": "1611456137.967843"
}

The workflow_unpublished event is sent when a workflow that contains a step powered by your app is unpublished.

The workflow_draft_configuration field in the event payload shows the workflow's current draft state, including its steps.

Subscribe to the workflow_published event as well to know, instead, when a workflow that contains a step powered by your app has been published.