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# VASRequest

A request to read a contactless loyalty card and retrieve loyalty program
identifiers for the person.

```
class VASRequest
```

## Overview

Create a `VASRequest` object to obtain details from someone’s loyalty card so that you
can process associated transactions. After you create this object, pass it to the
[`readVAS(_:)`](/documentation/ProximityReader/PaymentCardReaderSession/readVAS(_:))or
[`readPaymentCard(_:vasRequest:stopOnVASResult:)`](/documentation/ProximityReader/PaymentCardReaderSession/readPaymentCard(_:vasRequest:stopOnVASResult:))
method of [`PaymentCardReaderSession`](/documentation/ProximityReader/PaymentCardReaderSession).

## Topics

### Creating a loyalty card request

[`init(vasMerchants:localizedVASType:)`](/documentation/ProximityReader/VASRequest/init(vasMerchants:localizedVASType:))

Creates a request to read loyalty card service information.

### Getting the loyalty card details

[`localizedVASType`](/documentation/ProximityReader/VASRequest/localizedVASType)

The localized name of the loyalty program.

[`vasMerchants`](/documentation/ProximityReader/VASRequest/vasMerchants)

The list of merchants to match against the user’s Wallet content or loyalty card.

[`VASRequest.Merchant`](/documentation/ProximityReader/VASRequest/Merchant)

The identity of a merchant that offers a loyalty program.

### Setting the user interface language

[`userInterfaceLanguage`](/documentation/ProximityReader/VASRequest/userInterfaceLanguage)

The language to use when localizing the user interface.


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