---
title: x5c
framework: appstoreservernotifications
role: symbol
role_heading: Type
path: appstoreservernotifications/x5c
---

# x5c

The JSON Web Signature (JWS) header parameter that contains the certificate chain that corresponds to the key used to digitally sign the JWS.

## Declaration

```data
[string] x5c
```

## Discussion

Discussion For more information, or to download Apple’s root and intermediate certificates, see Apple PKI.

## See Also

### JWS header types

- [alg](appstoreservernotifications/alg.md)