Followed the steps in the below link to create a simple Framework Extension


Observed Behavior

Unable to get debugging to work , (Not receieving the 'Allow Debug Manifest' Pop up and no alerts!).No paremeters are being encoded in the url and No Errors in command 'gulp serve --nobrowser' Below is the url that I am appending along with my

 List/DocLib Url?loadSPFX=true&debugManifestsFile=https://localhost:4321/temp/manifests.js&customActions={"9c43dad8-b79b-4221-83d3-837b3d562fe6":{"location":"ClientSideExtension.ApplicationCustomizer","properties":{"testMessage":"Hello as property!"}}}

Any ideas on what could be wrong here?

  • what type of tenant are you using ? – Gautam Sheth Jul 27 '17 at 7:30
  • Office 365 Developer Tenant – JAJ Jul 27 '17 at 9:00
  • It will work only on modern list and not on classic list view. Are you using the modern list view ? the full url would be somewhat like https://tenantname.sharepoint.com/Lists/TestList/AllItems.aspx?loadSPFX=true&debugManifestsFile=https://localhost:4321/temp/manifests.js&customActions={"9c43dad8-b79b-4221-83d3-837b3d562fe6":{"location":"ClientSideExtension.ApplicationCustomizer","properties":{"testMessage":"Hello as property!"}}} – Gautam Sheth Jul 27 '17 at 17:19
  • Yes mordern list view is being used. – JAJ Jul 28 '17 at 6:23
  • sry my mistake the tenant was not a developer tenant and it works now – JAJ Jul 28 '17 at 15:21

As mentioned in comments, currently SPFx extensions are currently in preview mode and are not production ready. You can test them only in Developer tenants. It will be available later across other tenants when they reach general availability.

Reference - SPFx extensions overview

  • @jaj - can you please accept it as answer, so it wont show up in the unanswered section ? Its just a checkmark besides this answer. Thanks ! – Gautam Sheth Jul 31 '17 at 17:21

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