---
title: PKPaymentRequestMerchantSessionUpdate
framework: passkit
role: symbol
role_heading: Class
path: passkit/pkpaymentrequestmerchantsessionupdate
---

# PKPaymentRequestMerchantSessionUpdate

An object that updates a payment request with a merchant validation.

## Declaration

```swift
class PKPaymentRequestMerchantSessionUpdate
```

## Overview

Overview This is the handler for paymentAuthorizationController(_:didRequestMerchantSessionUpdate:) and paymentAuthorizationViewController(_:didRequestMerchantSessionUpdate:).

## Topics

### Creating a merchant session update

- [init(status:merchantSession:)](passkit/pkpaymentrequestmerchantsessionupdate/init(status:merchantsession:).md)

### Getting information for the merchant session update

- [status](passkit/pkpaymentrequestmerchantsessionupdate/status.md)
- [session](passkit/pkpaymentrequestmerchantsessionupdate/session.md)
- [PKPaymentMerchantSession](passkit/pkpaymentmerchantsession.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Payment sheet updates

- [PKPaymentRequestPaymentMethodUpdate](passkit/pkpaymentrequestpaymentmethodupdate.md)
- [PKPaymentRequestShippingContactUpdate](passkit/pkpaymentrequestshippingcontactupdate.md)
- [PKPaymentRequestShippingMethodUpdate](passkit/pkpaymentrequestshippingmethodupdate.md)
- [PKPaymentRequestCouponCodeUpdate](passkit/pkpaymentrequestcouponcodeupdate.md)
- [PKPaymentRequestUpdate](passkit/pkpaymentrequestupdate.md)