private static void SendMMS(FlowrouteNumbersAndMessagingClient client, string from_did, string to_did)
{
MMS_Message msg = new MMS_Message();
msg.From = from_did;
msg.To = to_did;
msg.Body = "Hi Chris";
// Create the image / media urls to add to the message
List <string> pictures = new List <string>();
pictures.Add("https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png");
msg.MediaUrls = pictures;
MessagesController messages = client.Messages;
string result = messages.CreateSendAMMSMessage(msg);
Console.WriteLine(result);
}