type: object properties: secret: type: string description: Unique invocation secret that was generated when the invocation was created. Required to authenticate to the endpoint. example: "0f11f2a4-7c94-4bf3-a2bd-742580fe3bde" error: type: string description: The error message to indicate a failed invocation or error if any. example: "Access request is denied." output: type: object example: {"approved": false} description: Trigger output to complete the invocation. Its schema is defined in the trigger definition. required: - secret - output