CreateEvalResponsesRunDataSource(ResponsesRunDataSource)

{
    "type": "completions",
    "input_messages": {
        "type": "template",
        "template": [
            {
                "role": "string",
                "content": "string"
            }
        ]
    },
    "sampling_params": {
        "temperature": 1,
        "max_completion_tokens": 0,
        "top_p": 1,
        "seed": 42
    },
    "model": "string",
    "source": {
        "type": "file_content",
        "content": [
            {
                "item": {},
                "sample": {}
            }
        ]
    }
}