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# subscript(_:)

Returns the B-spline control point the location index that you provide.

```
subscript(i: Int) -> PKStrokePoint { get }
```

## Parameters

`i`

A control point index.

## Return Value

The [`PKStrokePointReference`](/documentation/PencilKit/PKStrokePointReference) at control point subscript location i.

## Overview

---

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