问对话流响应: google上的操作

EN

"payload": {
        "google": {
            "expectUserResponse": true,
            "richResponse": {
                "items": [
                    {
                        "simpleResponse": {
                            "textToSpeech": "Can you tell your TV's model number? (Eg. 42PFL7008S/12)",
                            "displayText": "Can you tell your TV's model number? (Eg. 42PFL7008S/12)"
                        },
                        "basicCard": {
                            "image": {
                                "url": "https://",
                                "accessibilityText": "The model number can be found here "
                            },
                            "title": "The model number can be found on here,
                            "subtitle": "It is also called Set-Type,"
                        }
                    }
                ],
                "suggestions": []
            }
        }
    }

expected_inputs[0].input_prompt.rich_initial_prompt: the first element must be a 'simple_response', a 'structured_response' or a 'custom_response'.