---
title: "ASAuthorizationPublicKeyCredentialLargeBlobAssertionOutput.OperationResult.write(success:)"
framework: authenticationservices
role: symbol
role_heading: Case
path: "authenticationservices/asauthorizationpublickeycredentiallargeblobassertionoutput-swift.struct/operationresult/write(success:)"
---

# ASAuthorizationPublicKeyCredentialLargeBlobAssertionOutput.OperationResult.write(success:)

A result that represents data the system writes to the blob.

## Declaration

```swift
case write(success: Bool)
```

## Parameters

- `success`: A Boolean value that indicates whether the write operation succeeds.

## See Also

### Results

- [ASAuthorizationPublicKeyCredentialLargeBlobAssertionOutput.OperationResult.read(data:)](authenticationservices/asauthorizationpublickeycredentiallargeblobassertionoutput-swift.struct/operationresult/read(data:).md)