v56

latestOpenAPI 3.1.0raw.githubusercontent.com2026-08-01142337440.5 KB

Objective sub-agent spawned event

Triggered when a sub-agent is spawned from a parent objective

postWebhookobjective_event.sub_agent_spawned

Payload

typestring required

The event type, prefixed with objective_event. (e.g., objective_event.tool_result)

timestampstring date-time required

Example payload

{
  "data": {
    "agent": {
      "accountId": "account_01HXKD2E5NQM3T9AYWCFTJHJVF",
      "workspaceId": "workspace_01HXKD2E5NQM3T9AYWCF133E3Q",
      "profileId": "profile_01HXKD2E5NQM3T9AYWCFS0AP08"
    },
    "agentVariation": {
      "accountId": "account_01HXKD2E5NQM3T9AYWCFTJHJVF",
      "workspaceId": "workspace_01HXKD2E5NQM3T9AYWCF133E3Q",
      "profileId": "profile_01HXKD2E5NQM3T9AYWCFS0AP08"
    },
    "objective": {
      "accountId": "account_01HXKD2E5NQM3T9AYWCFTJHJVF",
      "workspaceId": "workspace_01HXKD2E5NQM3T9AYWCF133E3Q",
      "profileId": "profile_01HXKD2E5NQM3T9AYWCFS0AP08"
    },
    "objectiveEvent": {
      "metadata": {
        "accountId": "account_01HXKD2E5NQM3T9AYWCFTJHJVF",
        "workspaceId": "workspace_01HXKD2E5NQM3T9AYWCF133E3Q",
        "profileId": "profile_01HXKD2E5NQM3T9AYWCFS0AP08"
      },
      "data": {
        "toolApprovalRequested": {
          "toolCallId": "toolcall_01HXKD2E5NQM3T9AYWCFTANFGV"
        }
      },
      "contextWindowId": "objwin_01HXKD2E5NQM3T9AYWCFN7BSTR",
      "info": {
        "objective": {
          "accountId": "account_01HXKD2E5NQM3T9AYWCFTJHJVF",
          "workspaceId": "workspace_01HXKD2E5NQM3T9AYWCF133E3Q",
          "profileId": "profile_01HXKD2E5NQM3T9AYWCFS0AP08"
        },
        "createdBy": {
          "metadata": {
            "accountId": "account_01HXKD2E5NQM3T9AYWCFTJHJVF",
            "profileId": "profile_01HXKD2E5NQM3T9AYWCFS0AP08"
          }
        }
      }
    }
  }
}

Response

Webhook received successfully