---
title: instanceID
framework: cryptotokenkit
role: symbol
role_heading: Instance Property
path: cryptotokenkit/tktoken/configuration-swift.class/instanceid
---

# instanceID

The unique, persistent identifier of this token that the token implementation creates.

## Declaration

```swift
var instanceID: TKToken.InstanceID { get }
```

## Discussion

Discussion The instance identifier often represents some kind of serial number of the target hardware.

## See Also

### Reporting Configuration Information

- [configurationData](cryptotokenkit/tktoken/configuration-swift.class/configurationdata.md)