How do i include message fields in the Alert Action Message

Hi @AndreyB

I am using " Per Document Monitor" and needing to pipe few documents field(s) to alert message. I followed few available blogs on internet but no luck worked yet. Also, raised a case on Opensearch github - [BUG] Opensearch Alerting: Per Document Monitor not including document field(s) in alert message · Issue #10693 · opensearch-project/OpenSearch · GitHub. It would be highly appreciable if you guide me a bit.