---
title: packageAID
framework: secureelementcredential
role: symbol
role_heading: Instance Property
path: secureelementcredential/credentialsession/credential/instanceinfo/packageaid
---

# packageAID

The unique identifier of the package you use to install the instance.

## Declaration

```swift
let packageAID: Data
```

## Discussion

Discussion You can use the version encoded in this identifier to determine the version of the installed applet.

## See Also

### Inspecting instance identifiers

- [instanceAID](secureelementcredential/credentialsession/credential/instanceinfo/instanceaid.md)
- [moduleAID](secureelementcredential/credentialsession/credential/instanceinfo/moduleaid.md)