# NFCAdapter.onDiscovered(function callback)

Start from base library version 2.11.2. Please remaining backward compatible.

with Promise style call: Not supported

Mini Program plugin: Support

to monitor NFC Day

# parameter

Callback function

attribute	type	Introductions
techs	Array	tech Array for matching NFC cards to be processed using specific criteria (NfcA, etc.)
messages	Array	NdefMessage Array, the message format is {id: ArrayBuffer, type: ArrayBuffer, payload: ArrayBuffer}