I have create a SharePoint WebPart as well as a CommandBar-Extension using SPFx. I used the yeoman generator to schaffold the application and finally created a sppkg-file I can deploy to my app-catalog.

However: I would need some kind of configuration for the WebPart and the Extension. If it would only be the WebPart I could work with the WebPart property pane, but for the Commandbar-Extension this doesn't work.

Is there any way to have some kind of configuration-page/setup-page where I could store some value for e.g. as a property (in the site property-bag)?

1 Answer 1


You can use ClientSideComponentProperties in SPFx extensions.

ClientSideComponentProperties can be used to provide instance specific configurations in elements.xml file during solution development.

Documentation: Add a ListView Command Set to a solution package for deployment

If you want to change the values of ClientSideComponentProperties after deployment, you can use APIs call for that. Check below link for the same:

How does one pass parameters to SharePoint Framework Extensions in practice?


Here's one SPFx sample developed by community members which allow you to update properties of SPFx application customizer: Edit Application Customizers

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  • 1
    Thx. I think I'll go this way and create an "amin webpart" that will allow to configure those properties. Although I would have loved a way that would not involve so much custom code.
    – nyn3x
    Nov 29, 2022 at 20:52

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