---
title: TKToken.ObjectID
framework: cryptotokenkit
role: symbol
role_heading: Type Alias
path: cryptotokenkit/tktoken/objectid
---

# TKToken.ObjectID

A unique and persistent identifier of a particular token object.

## Declaration

```swift
typealias ObjectID = Any
```

## Discussion

Discussion The type of this identifier must support property list serialization and must define its format by the implementation of the token extension.

## See Also

### Accessing Keychain Items

- [keychainContents](cryptotokenkit/tktoken/keychaincontents.md)
- [TKTokenKeychainContents](cryptotokenkit/tktokenkeychaincontents.md)
- [TKTokenKeychainItem](cryptotokenkit/tktokenkeychainitem.md)
- [TKTokenKeychainCertificate](cryptotokenkit/tktokenkeychaincertificate.md)
- [TKTokenKeychainKey](cryptotokenkit/tktokenkeychainkey.md)