teams.onChannelMessageDeleted subscribes to Microsoft Graph change notifications.
Example
automations/teams-on-channel-message-deleted.automation.ts
Options
Pass{ team: "Engineering", channel: "General" }. team and channel accept exact display names or provider IDs. Optional account selects a Microsoft binding.
Event
Runs when a channel message is deleted. The event includeschangeType, resourceType, resourceId, contextual team/channel/chat IDs, and normalized data when Graph still exposes the resource. Deletions are ID-only tombstones.
Teams subscriptions are short-lived and Automate.ax renews them automatically.