{
  "criteria": {
    "rubric_based_multi_turn_trajectory_quality_v1": {
      "threshold": 1.0,
      "judge_model_options": {"judge_model": "gemini-3.8-flash", "num_samples": 1},
      "rubrics": [
        {"rubric_id": "names_adk", "rubric_content": {"text_property": "The agent says that ADK stands for Agent Development Kit."}},
        {"rubric_id": "mic_rate", "rubric_content": {"text_property": "The agent says that microphone audio uses a 16 kHz sample rate."}}
      ]
    }
  },
  "live_model_config": {"timeout_seconds": 120},
  "user_simulator_config": {
    "type": "llm_audio",
    "model": "gemini-3.8-flash",
    "max_allowed_invocations": 4,
    "audio_model": "gemini-3.8-flash-tts",
    "audio_model_configuration": {
      "response_modalities": ["AUDIO"],
      "speech_config": {"voice_config": {"prebuilt_voice_config": {"voice_name": "Kore"}}, "language_code": "en-US"}
    },
    "include_text_with_audio": false
  }
}