GeminiInteractionEvent

{
    "event_type": "string",
    "event_id": "string",
    "interaction_id": "string",
    "interaction": {
        "id": "string",
        "object": "string",
        "status": "in_progress",
        "model": "string",
        "agent": "string",
        "input": "string",
        "steps": "string",
        "usage": {
            "total_tokens": 0,
            "total_input_tokens": 0,
            "total_output_tokens": 0,
            "total_cached_tokens": 0,
            "total_tool_use_tokens": 0,
            "total_thought_tokens": 0,
            "input_tokens_by_modality": "string",
            "output_tokens_by_modality": "string"
        },
        "previous_interaction_id": "string",
        "created": "string",
        "updated": "string",
        "errors": "string"
    },
    "index": 0,
    "status": "string",
    "step": "string",
    "delta": "string",
    "usage": {
        "total_tokens": 0,
        "total_input_tokens": 0,
        "total_output_tokens": 0,
        "total_cached_tokens": 0,
        "total_tool_use_tokens": 0,
        "total_thought_tokens": 0,
        "input_tokens_by_modality": "string",
        "output_tokens_by_modality": "string"
    },
    "step_usage": {
        "total_tokens": 0,
        "total_input_tokens": 0,
        "total_output_tokens": 0,
        "total_cached_tokens": 0,
        "total_tool_use_tokens": 0,
        "total_thought_tokens": 0,
        "input_tokens_by_modality": "string",
        "output_tokens_by_modality": "string"
    },
    "error": "string"
}