Introduction SPFx | Setup & Create Your Own Webpart

I only wish the screens were zoomed in so I could read. But Thank You!

Hi
Interesting.
Is it possible to make a chat / comments web part...
With email notifications when a new comments have been added.... And the notification will have a link to the SharePoint page where the web part exist?

Dear SIr
Only powerapps error showing please can you help "Hmmm Somethink went wrong" any solution ?

Thanks 👍