WorkflowExecutionRequest(WorkflowExecutionRequest)

{
    "workflow_id": "string",
    "template_name": "string",
    "custom_workflow": {
        "id": "string",
        "name": "string",
        "description": "string",
        "version": "1.0.0",
        "steps": [
            {
                "id": "string",
                "type": "string",
                "name": "string",
                "description": "string",
                "prompt_template": "string",
                "required_inputs": [
                    "string"
                ],
                "optional_inputs": [
                    "string"
                ],
                "outputs": [
                    "string"
                ],
                "dependencies": [
                    "string"
                ],
                "config": {
                    "property1": "string",
                    "property2": "string"
                }
            }
        ],
        "output_template": "string",
        "timeout_seconds": 300
    },
    "inputs": {
        "property1": "string",
        "property2": "string"
    }
}