---
title: ProExtensionAttributes
framework: bundleresources
role: symbol
role_heading: Property List Key
path: bundleresources/information-property-list/nsextension/proextensionattributes
---

# ProExtensionAttributes

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

## Discussion

Discussion See Designing Workflow Extensions.

## Topics

### Attributes

- [ContentViewMinimumHeight](bundleresources/information-property-list/nsextension/proextensionattributes/contentviewminimumheight.md)
- [ContentViewMinimumWidth](bundleresources/information-property-list/nsextension/proextensionattributes/contentviewminimumwidth.md)

## See Also

### Professional Video Applications

- [ProExtensionPrincipalClass](bundleresources/information-property-list/nsextension/proextensionprincipalclass.md)
- [ProExtensionPrincipalViewControllerClass](bundleresources/information-property-list/nsextension/proextensionprincipalviewcontrollerclass.md)
- [ProExtensionUUID](bundleresources/information-property-list/nsextension/proextensionuuid.md)