Plane docs
ApiSchemas

SubagentSpawnedEvent

One shape from the contract, as it appears on the wire.

Used by sessions.annotate, sessions.events, sessions.send

JSON Schema

{
  "type": "object",
  "properties": {
    "seq": {
      "$ref": "#/components/schemas/EventSeq"
    },
    "sessionId": {
      "$ref": "#/components/schemas/SessionId"
    },
    "at": {
      "type": "string"
    },
    "type": {
      "type": "string",
      "enum": [
        "subagent.spawned"
      ]
    },
    "toolCallId": {
      "$ref": "#/components/schemas/ToolCallId"
    },
    "name": {
      "$ref": "#/components/schemas/SubagentName"
    },
    "childSessionId": {
      "$ref": "#/components/schemas/SessionId"
    },
    "agentId": {
      "$ref": "#/components/schemas/AgentId"
    },
    "agentVersion": {
      "$ref": "#/components/schemas/AgentVersionNumber"
    },
    "depth": {
      "type": "integer",
      "minimum": 1
    },
    "message": {
      "type": "string"
    }
  },
  "required": [
    "seq",
    "sessionId",
    "at",
    "type",
    "toolCallId",
    "name",
    "childSessionId",
    "agentId",
    "agentVersion",
    "depth",
    "message"
  ],
  "additionalProperties": false
}

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