Record connected devices

[utakandila]

Hi..
I need a sample code record and write device connected to esp AP mode, I found some code that showed some many connected devices, but it was only shown in numbers to the serial port. I want ESP to record the Mac and write to spiffs and only log 1x when the device is connected (or with disconnected effent if possible) And it is not affected by the loop, but if the client disconnects itself and connects it again to esp then esp records the event again.

Any suggest?