Expunge all message contents

Delete all message payloads for the application.

This operation is only available in the <a href="https://svix.com/pricing" target="_blank">Enterprise</a> plan.

A completed task will return a payload like the following:

{
  "id": "qtask_33qen93MNuelBAq1T9G7eHLJRsF",
  "status": "finished",
  "task": "application.purge_content",
  "data": {
    "messagesPurged": 150
  }
}