Let’s look at how to add a new menu item to a Power Apps portal Primary Navigation menu. This menu is the one across the top of the top:
Let’s create a Hello World link which opens a Hello World page.
Open the Dynamics 365 Portals app and go to Web Pages, then New:
We will create a new page with the parent page of Home, and a page template of Blank Page:
Click Save. Then, modify the Localized Content:
Go to the Copy and add some text:
Now go to the Website, e.g. Custom Portal:
Go to Web Link Sets and select Primary Navigation:
Select New Web Link:
Enter below, scroll down to enter a display order number if required and save:
Now in the Admin center click Restart:
While restarting you may see Service Unavailable HTTP error 503. Wait until the portal is back online.
You will see the new link in the menu:
And selecting it will take you to the new page: