I'm trying to install SharePoint Framework Extensions from here. However, I have no clue sadly on how to convert the JSON to SSPKG file so that I can upload to app catalog. I have checked SharePoint documentation however I could not find how to convert existing JSON setup to SSPKG file. Thank you for the help in advance.

  • I already deployed the SSPKG file from sp-starter-kit but it does not include the 'AlertNotifications' SPFx
    – ronakmd
    Oct 15, 2019 at 16:57

2 Answers 2


You can find the sppkg file of sp-starter-kit here

If you want to know how to generate sppkg file from code you can follow this guide


Suppose you mean site design json schema such as associateExtension

You could use SharePoint Online Management Shell to do it.


One demo thread.


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