BotToken = "523b5b25ed27e6ec-111111111111111-2222222222222222";
  UserID = "d3jxe1111111111jYGgZg==";
  
  Response = OPI_Viber.SendContact(BotToken, "John Doe", "+749521231", UserID, False); //Map
  Response = OPI_Tools.JSONString(Response); //JSON string