---
title: merchantIdentifier
framework: passkit
role: symbol
role_heading: Instance Property
path: passkit/pkpaymentrequest/merchantidentifier
---

# merchantIdentifier

Your merchant identifier.

## Declaration

```swift
var merchantIdentifier: String { get set }
```

## Discussion

Discussion This value must match one of the merchant identifiers specified by the Merchant IDs Entitlement key in the app’s entitlements. For more information on adding merchant IDs, see Configure Apple Pay (iOS, watchOS).

## See Also

### Setting merchant information

- [PKPaymentRequest.MerchantCategoryCode](passkit/pkpaymentrequest/merchantcategorycode-swift.struct.md)
- [merchantCapabilities](passkit/pkpaymentrequest/merchantcapabilities.md)
- [PKMerchantCapability](passkit/pkmerchantcapability.md)