<!--
{
  "availability" : [
    "iOS: 15.0.0 - 15.4.0",
    "iPadOS: 15.0.0 - 15.4.0",
    "macCatalyst: 15.0.0 - 15.4.0",
    "macOS: 13.0.0 -",
    "visionOS: 1.0.0 - 1.0.0"
  ],
  "documentType" : "symbol",
  "framework" : "HealthKit",
  "identifier" : "/documentation/HealthKit/HKVerifiableClinicalRecord/jwsRepresentation",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Property",
  "symbol" : {
    "kind" : "Instance Property",
    "modules" : [
      "HealthKit"
    ],
    "preciseIdentifier" : "c:objc(cs)HKVerifiableClinicalRecord(py)JWSRepresentation"
  },
  "title" : "jwsRepresentation"
}
-->

# jwsRepresentation

A raw representation of the SMART Health Card’s contents.

```
var jwsRepresentation: Data { get }
```

## Discussion

This property contains a JSON Web Signature (JWS) Compact Serialization of the card. The data is cryptographically signed by the issuer, and compressed.

> Important:
> To ensure that the data is authentic and that no one has tampered with it, decompress the data and then use a public key from the issuer to verify their signature.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)