i just took it from the UI code display
"voice": {
"model": "eleven_multilingual_v2",
"speed": 1.1,
"style": 0.6,
"voiceId": "WsQeRzWJvoDvhPPJj5r7",
"provider": "11labs",
"stability": 0.4,
"similarityBoost": 0.5,
"useSpeakerBoost": true,
"inputPunctuationBoundaries": [
"?",
"۔"
]
},