OutboundIvrStep

{
    "key": "budget",
    "type": 1,
    "questionProps": {
        "audioFileUrl": "http://example.com",
        "options": [
            {
                "digit": "1",
                "description": "Confirm the appointment",
                "responseMessageFileUrl": "http://example.com"
            }
        ]
    }
}