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# init(bytes:)

Initializes a `TKSmartCardATR` object from a provided data object.

```
init?(bytes: Data)
```

## Parameters

`bytes`

The ATR data to be parsed.

## Return Value

A `TKSmartCardATR` object initialized with the parsed data. If `bytes` does not contain a valid ATR, returns `nil`.

## Discussion

---

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