Esp32 BLE possible to change a static passcode?

Using Arduino Programming Questions
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Newbee here so please take it easy on me :blush:. I'm using a esp32 BLE secure serve with a 6 digit pass code (123456) for pairing right now.

I was wondering if its even possible to program the esp32 to allow users to change the default Passcode after they pair? Can the the code be altered in any way via BLE?

I know for wifi server I can setup a website and change the default wifi password via the website but not clue about BLE... PS trying avoid using WIFI radio to save on power.

Thanks everyone

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