I am using the UART-BLE program for central and peripheral devices, and noticed the use of the friendly name "BLE_Serial" for setting up advertising packets in the peripheral device in the GUI that is provided. However, if I search for BLE_Serial programmatically, I don't see it in any of the files. I assume this is how the devices pair automatically, be see it neither in the set of files for peripheral or central devices. Thinking instead they are using the public address to pair, I also search for either of these identifiers but don't seem them codified either. Not certain therefore why 1) these values are found in the gui but no where to be seen in the code, and 2) what exactly is the central device receiving that lets it know it automatically wants to pair and communicate with the peripheral device.