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# readerSession(_:didReceive:)

Tells the delegate that the reader session received a VAS response.

```
func readerSession(_ session: NFCVASReaderSession, didReceive responses: [NFCVASResponse])
```

## Parameters

`session`

The reader session that calls this method.

`responses`

An array of [`NFCVASResponse`](/documentation/CoreNFC/NFCVASResponse) objects. The order of the response objects follows the sequence of `GET VAS DATA` sent to the tag by the reader session.

## Discussion

The reader session restarts polling when the detected tag moves from the session’s read range.

---

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