New `timeline` object

In API versions 2025-01 and later, you can query the Emails & Activities timeline of a specific item using the timeline object.

query {
  timeline (id: 1234567890, limit: 5, cursor: "TXlDb2RlU3RyaW5nMTIzNDU2NzgsNzg5MCxzb21lRGF0YT1Bbm90aGVyVmFsdWU=") {
    timeline_items_page {
      cursor
    }
    timeline_items {
      title
      custom_activity_id
      board {
        workspace_id
      }
    }
  }
}