Have a look at the following tutorial on how the messenger widget is implemented: https://opla.arduino.cc/opla/module/iot-starter-kit-maker-long/lesson/thinking-about-you-long
Have a look at the following tutorial on how the messenger widget is implemented: https://opla.arduino.cc/opla/module/iot-starter-kit-maker-long/lesson/thinking-about-you-long