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# TKTokenDriver.Configuration

A configuration for one class of token.

```
class Configuration
```

## Topics

### Reporting Configuration Information

[`classID`](/documentation/CryptoTokenKit/TKTokenDriver/Configuration/classID)

The class identifier of the token driver.

[`tokenConfigurations`](/documentation/CryptoTokenKit/TKTokenDriver/Configuration/tokenConfigurations)

A dictionary of all currently configured tokens for this token class, which the token instance identifier keys.

[`driverConfigurations`](/documentation/CryptoTokenKit/TKTokenDriver/Configuration/driverConfigurations)

A dictionary of token class configurations which the class identifier of the token driver keys.

### Adding and Removing Configurations

[`-  addTokenConfigurationForTokenInstanceID:`](/documentation/CryptoTokenKit/TKTokenDriver/Configuration/addTokenConfiguration(for:))

Creates a configuration object for a token with the token instance identifier you specify.

[`-  removeTokenConfigurationForTokenInstanceID:`](/documentation/CryptoTokenKit/TKTokenDriver/Configuration/removeTokenConfiguration(for:))

Removes a configuration for a token with the token instance identifier you specify.

## Relationships

### Conforms To

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`CVarArg`](/documentation/Swift/CVarArg)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

---

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