JSON Schema /properties/tts_engine/properties/voices/items[0]

{
    "type": "object",
    "additionalProperties": false,
    "properties": {
        "voice_name": {
            "type": "string",
            "description": "Identifies the name of the voice and the engine used."
        },
        "lang": {
            "type": "string",
            "description": "Almost always, a voice can synthesize speech in just a single language. When an engine supports more than one language, it can easily register a separate voice for each language."
        },
        "gender": {
            "type": "string",
            "description": "If your voice corresponds to a male or female voice, you can use this parameter to help clients choose the most appropriate voice for their application."
        },
        "event_types": {
            "type": "array",
            "description": "Events sent to update the client on the progress of speech synthesis.",
            "minItems": 1,
            "uniqueItems": true,
            "items": {
                "type": "string",
                "description": "",
                "enum": [
                    "start",
                    "word",
                    "sentence",
                    "marker",
                    "end",
                    "error"
                ]
            }
        }
    },
    "required": [
        "voice_name",
        "event_types"
    ]
}

• /properties/tts_engine/properties/voices