GenerateContentRequest

{
    "contents": [
        {
            "parts": [
                {
                    "text": "A cute orange cat sitting by the window, sunset lighting, 8k resolution, photorealistic."
                }
            ]
        }
    ],
    "generationConfig": {
        "responseModalities": [
            "IMAGE"
        ],
        "imageConfig": {
            "aspectRatio": "1:1",
            "imageSize": "2K",
            "numberOfImages": 1
        }
    }
}