type: object description: The trigger that starts the workflow required: - type - attributes properties: type: type: string enum: - EVENT - EXTERNAL - SCHEDULED example: EVENT description: The trigger type attributes: oneOf: - $ref: './workflows/trigger-attributes/EventAttributes.yaml' - $ref: './workflows/trigger-attributes/ExternalAttributes.yaml' - $ref: './workflows/trigger-attributes/ScheduledAttributes.yaml' description: Workflow Trigger Attributes.