---
title: "init(range:chunkSize:maximumRetries:retryInterval:)"
framework: corenfc
role: symbol
role_heading: Initializer
path: "corenfc/nfciso15693readmultipleblocksconfiguration/init(range:chunksize:maximumretries:retryinterval:)"
---

# init(range:chunkSize:maximumRetries:retryInterval:)

## Declaration

```swift
init(range: NSRange, chunkSize: Int, maximumRetries: Int, retryInterval: TimeInterval)
```

## Parameters

- `range`: Read range specify by the starting block index and the total number of blocks.
- `chunkSize`: Specify number of blocks parameter for the Read multiple blocks command.
- `maximumRetries`: Maximum number of retry attempt when tag response is not received.
- `retryInterval`: Time interval wait between each retry attempt.
