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# ProExtensionAttributes

A dictionary that specifies the minimum size of the floating window in which Final Cut Pro hosts the extension view.

## Discussion

See <doc://com.apple.documentation/documentation/Professional-Video-Applications/designing-workflow-extensions>.

## Topics

### Attributes

[`ContentViewMinimumHeight`](/documentation/BundleResources/Information-Property-List/NSExtension/ProExtensionAttributes/ContentViewMinimumHeight)

An integer that specifies the minimum height of the floating window.

[`ContentViewMinimumWidth`](/documentation/BundleResources/Information-Property-List/NSExtension/ProExtensionAttributes/ContentViewMinimumWidth)

An integer that specifies the minimum width of the floating window.


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