---
title: TKSmartCardSlotNFCSession
framework: cryptotokenkit
role: symbol
role_heading: Class
path: cryptotokenkit/tksmartcardslotnfcsession
---

# TKSmartCardSlotNFCSession

NFC session that’s related to NFC smart card slot which was created.

## Declaration

```swift
class TKSmartCardSlotNFCSession
```

## Overview

Overview Lifetime of this session object is tied to the NFC smart card slot lifetime and once the NFC slot disappears (eg. after a user cancellation, calling end session, or an NFC timeout) the functions will start to fail and return TKErrorCodeObjectNotFound error.

## Topics

### Instance Properties

- [slotName](cryptotokenkit/tksmartcardslotnfcsession/slotname.md)

### Instance Methods

- [end()](cryptotokenkit/tksmartcardslotnfcsession/end().md)
- [update(message:)](cryptotokenkit/tksmartcardslotnfcsession/update(message:).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)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)