---
title: GroupList
framework: Security
role: symbol
role_heading: Instance Property
platforms: [macOS 10.0+]
path: security/cssm_certgroup-c.struct/grouplist
---

# GroupList

## Declaration

```occ
union { ... } GroupList;
```

## Topics

### Instance Properties

- [CertList](security/cssm_certgroup-c.struct/grouplist/certlist.md)
- [EncodedCertList](security/cssm_certgroup-c.struct/grouplist/encodedcertlist.md)
- [PairCertList](security/cssm_certgroup-c.struct/grouplist/paircertlist.md)
- [ParsedCertList](security/cssm_certgroup-c.struct/grouplist/parsedcertlist.md)