The fulfillment request of Dialogflow of an Actions on Google request.

request.json

{
    "originalRequest": {
        "data": {
            "isInSandbox": true,
            "surface": {
                "capabilities": [ // Wear OS (former Android Wear)
                    {
                        "name": "actions.capability.SCREEN_OUTPUT"
                    }
                ],
                "capabilities": [ // Google Home
                    {
                        "name": "actions.capability.AUDIO_OUTPUT"
                    },
                    {
                        "name": "actions.capability.MEDIA_RESPONSE_AUDIO"
                    }
                ],
                "capabilities": [ // Smart Display (tested with Simulator)
                    {
                        "name": "actions.capability.AUDIO_OUTPUT"
                    },
                    {
                        "name": "actions.capability.SCREEN_OUTPUT"
                    },
                    {
                        "name": "actions.capability.MEDIA_RESPONSE_AUDIO"
                    }
                ],
                "capabilities": [ // Mobile
                    {
                        "name": "actions.capability.AUDIO_OUTPUT"
                    },
                    {
                        "name": "actions.capability.SCREEN_OUTPUT"
                    },
                    {
                        "name": "actions.capability.MEDIA_RESPONSE_AUDIO"
                    },
                    {
                        "name": "actions.capability.WEB_BROWSER"
                    }
                ]
            },
// ...