---
title: "textView(_:completions:forPartialWordRange:indexOfSelectedItem:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nstextviewdelegate/textview(_:completions:forpartialwordrange:indexofselecteditem:)"
---

# textView(_:completions:forPartialWordRange:indexOfSelectedItem:)

Returns the actual completions for a partial word.

## Declaration

```swift
@MainActor optional func textView(_ textView: NSTextView, completions words: [String], forPartialWordRange charRange: NSRange, indexOfSelectedItem index: UnsafeMutablePointer<Int>?) -> [String]
```

## Parameters

- `textView`: The text view sending the message.
- `words`: The proposed array of completions.
- `charRange`: The range of characters to be completed.
- `index`: On return, the index of the initially selected completion. The default is 0, and –1 indicates no selection.

## Return Value

Return Value The actual array of completions that will be presented for the partial word at the given range. Returning nil or a zero-length array suppresses completion.