Beta Managed Agents Session Thread Created Event

• BetaManagedAgentsSessionThreadCreatedEvent object

  Emitted when a subagent is spawned as a new thread. Written to the parent thread's output stream so clients observing the session see child creation.

  • type: "session.thread_created"

  • id: string

    Unique identifier for this event.

  • agent_name: string

    Name of the callable agent the thread runs.

  • processed_at: string

    A timestamp in RFC 3339 format

    format: date-time

  • session_thread_id: string

    Public sthr_ ID of the newly created thread.