action: "spawn_agent" | "interrupt_agent" | "list_agents" | 3 more

The multi-agent action that was executed.

One of the following:
"spawn_agent"
"interrupt_agent"
"list_agents"
"send_message"
"followup_task"
"wait_agent"
arguments: string

The action arguments as a JSON string.

call_id: string

The unique ID linking this call to its output.

minLength1
maxLength64
type: "multi_agent_call"

The item type. Always multi_agent_call.

id?: string | null

The unique ID of this multi-agent call.

agent?: Agent | null

The agent that produced this item.

agent_name: string

The canonical name of the agent that produced this item.