---
title: TKSmartCardATR.InterfaceGroup
framework: cryptotokenkit
role: symbol
role_heading: Class
path: cryptotokenkit/tksmartcardatr/interfacegroup
---

# TKSmartCardATR.InterfaceGroup

A single interface-bytes group for a Smart Card ATR (Answer to Reset).

## Declaration

```swift
class InterfaceGroup
```

## Overview

Overview You access instances of this class by calling the interfaceGroup(at:) and interfaceGroup(for:) methods on an TKSmartCardATR object.

## Topics

### Accessing Interface Group Protocol and Bytes

- [protocol](cryptotokenkit/tksmartcardatr/interfacegroup/protocol.md)
- [ta](cryptotokenkit/tksmartcardatr/interfacegroup/ta.md)
- [tb](cryptotokenkit/tksmartcardatr/interfacegroup/tb.md)
- [tc](cryptotokenkit/tksmartcardatr/interfacegroup/tc.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Retrieving Interface Groups

- [interfaceGroup(at:)](cryptotokenkit/tksmartcardatr/interfacegroup(at:).md)
- [interfaceGroup(for:)](cryptotokenkit/tksmartcardatr/interfacegroup(for:).md)