---
title: id
framework: proximityreader
role: symbol
role_heading: Instance Property
path: proximityreader/paymentcardreader/id
---

# id

A unique identifier for this object.

## Declaration

```swift
final let id: String
```

## See Also

### Deprecated

- [prepare(using:updateHandler:)](proximityreader/paymentcardreader/prepare(using:updatehandler:).md)
- [PaymentCardReader.UpdateEvent](proximityreader/paymentcardreader/updateevent.md)