---
title: PKSignatureRequestCompletionBlock
framework: passkit
role: symbol
role_heading: Type Alias
path: passkit/pksignaturerequestcompletionblock
---

# PKSignatureRequestCompletionBlock

## Declaration

```swift
typealias PKSignatureRequestCompletionBlock = (PKBarcodeEventSignatureResponse) -> Void
```

## See Also

### Signing the transaction

- [handle(_:completion:)](passkit/pkpaymentinformationrequesthandling/handle(_:completion:)-18x2y.md)
- [PKBarcodeEventSignatureRequest](passkit/pkbarcodeeventsignaturerequest.md)
- [PKBarcodeEventSignatureResponse](passkit/pkbarcodeeventsignatureresponse.md)