VideoGenerationRequest

{
    "model": "veo-3.0-generate-preview",
    "instances": [
        {
            "prompt": "string",
            "image": {
                "bytesBase64Encoded": "string",
                "mimeType": "string"
            }
        }
    ],
    "parameters": {
        "aspectRatio": "string",
        "durationSeconds": 0,
        "enhancePrompt": true,
        "generateAudio": true,
        "negativePrompt": "string",
        "personGeneration": "string",
        "sampleCount": 0,
        "seed": 0
    },
    "content": [
        {
            "type": "text",
            "text": "string",
            "image_url": {},
            "role": "first_frame"
        }
    ],
    "callback_url": "string"
}