Append “/_layouts/15/AppRegNew.aspx” without the quotations to your site URL e.g https://shareportals.sharepoint.com/sites/sitename/_layouts/15/AppRegNew.aspx
Enter the client ID value and client secret value provided by Betasoft
Enter SharePortals in the Title field.
Enter demo.shareportals.com in the App Domain field.
Enter https://demo.shareportals.com in the Redirect URL field.
Click the Create button to create the new app identifier.
You will be shown the message “The app identifier has been successfully created.” Click on Okay.
Go to the SharePoint site front page, then select Site contents in the left hand pane.
Click the New dropdown:
Select App, then scroll down to Apps you can add. Click on Betasoft.SharePortals:
A popup will appear, asking whether you want to trust the SharePortals app. Click on Trust It:
Post your comment on this topic.