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# ASAuthorizationPublicKeyCredentialLargeBlobAssertionOutput

A type to represent the output of the requested large binary object operation, which returns in a passkey sign-in
response.

```
struct ASAuthorizationPublicKeyCredentialLargeBlobAssertionOutput
```

## Overview

For a read operation, this type contains the saved blob, if one is present and
the read succeeds.
For a write operation, this type indicates whether the write succeeds.

## Topics

### Inspecting the result

[`result`](/documentation/AuthenticationServices/ASAuthorizationPublicKeyCredentialLargeBlobAssertionOutput-swift.struct/result)

The result of the requested large binary object operation.

[`ASAuthorizationPublicKeyCredentialLargeBlobAssertionOutput.OperationResult`](/documentation/AuthenticationServices/ASAuthorizationPublicKeyCredentialLargeBlobAssertionOutput-swift.struct/OperationResult)

A type that represents the result of the requested binary large object operation.


---

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