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# init(pollingOption:delegate:queue:)

Creates an NFC tag reader session.

```
convenience init?(pollingOption: NFCTagReaderSession.PollingOption, delegate: any NFCTagReaderSessionDelegate, queue: DispatchQueue? = nil)
```

## Parameters

`pollingOption`

One or more options specifying the type of tags that the reader session scans for and detects.

`delegate`

An object that handles callbacks from the reader session.

`queue`

A dispatch queue that the reader session uses when making callbacks to the delegate. When queue is `nil`, the session creates and uses a serial dispatch queue.

---

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