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# init(identifier:items:allowedCompressionOptions:)

Initializes and returns a group item whose bar is constructed from the supplied items, and with the specified compression options.

```
convenience init(identifier: NSTouchBarItem.Identifier, items: [NSTouchBarItem], allowedCompressionOptions: NSUserInterfaceCompressionOptions)
```

## Discussion

Use this initializer to specify which compression options are applied to the group item. The system applies options in the following default order: `breakEqualWidths`, `reduceMetrics`, `hideText`, `hideImages`.

If you want to use non-standard compression options, add them by using the [`prioritizedCompressionOptions`](/documentation/AppKit/NSGroupTouchBarItem/prioritizedCompressionOptions) property.

---

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