}

```

For production deployments, consider using [federated authentication](#federated-authentication-certificate--managed-identity) (certificate or managed identity) instead of client secrets.

For production deployments, consider using [federated authentication](#federated-authentication) (certificate or managed identity) instead of client secrets.

Note: group chats are blocked by default (`channels.msteams.groupPolicy: "allowlist"`). To allow group replies, set `channels.msteams.groupAllowFrom` (or use `groupPolicy: "open"` to allow any member, mention-gated).