HOW to get the mac address list of other devices on the same local network?

I'm developing app to help users find hidden cameras in their hotel rooms by comparing mac addresses and manufacturer information in my database to other devices on the local network to eliminate risks. Whether there is such a way to obtain can be obtained after the user's permission.Excuse my poor English :)

What platform are you targeting?

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

HOW to get the mac address list of other devices on the same local network?
 
 
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