public static void GoogleSetAudioResponse(this ITurnContext context,
                                                  string audioUrl, string name, string description = null,
                                                  Image icon = null, Image largeImage = null)
        {
            var mediaResponse = new MediaResponse()
            {
                Content = new MediaResponseContent()
                {
                    MediaType    = MediaType.AUDIO,
                    MediaObjects = new MediaObject[]
                    {
                        new MediaObject()
                        {
                            ContentUrl  = audioUrl,
                            Description = description,
                            Name        = name,
                            Icon        = icon,
                            LargeImage  = largeImage,
                        },
                    },
                },
            };

            context.GoogleSetMediaResponse(mediaResponse);
        }
 public static void GoogleSetMediaResponse(this ITurnContext context, MediaResponse mediaResponse)
 {
     context.TurnState.Add("GoogleMediaResponse", mediaResponse);
 }