---
title: pin
framework: cryptotokenkit
role: symbol
role_heading: Instance Property
path: cryptotokenkit/tktokensmartcardpinauthoperation/pin
---

# pin

The PIN value resulting from performing the operation.

## Declaration

```swift
var pin: String? { get set }
```

## Discussion

Discussion This property is set to the result of the operation after finishWithError: is called. note: If the apduTemplate property has a set value, this property is not set, as the PIN is automatically sent to the Smart Card using the specified template.