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# ASAuthorizationPublicKeyCredentialLargeBlobSupportRequirement

An enumeration of large binary object support requirement values.

```
enum ASAuthorizationPublicKeyCredentialLargeBlobSupportRequirement : NSInteger;
```

## Topics

### Support values

[`ASAuthorizationPublicKeyCredentialLargeBlobSupportRequirementPreferred`](/documentation/AuthenticationServices/ASAuthorizationPublicKeyCredentialLargeBlobSupportRequirement/ASAuthorizationPublicKeyCredentialLargeBlobSupportRequirementPreferred)

A value that indicates the app needs large binary object support.

[`ASAuthorizationPublicKeyCredentialLargeBlobSupportRequirementRequired`](/documentation/AuthenticationServices/ASAuthorizationPublicKeyCredentialLargeBlobSupportRequirement/ASAuthorizationPublicKeyCredentialLargeBlobSupportRequirementRequired)

A value that indicates the app requires large binary object support.


---

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