This functionality allows you to create links to a page within your app from another page.
You can create internal links with the following features: Places, Custom page, Inbox, Source code.
In the text editor there is a new button:
To open the menu from source code, click on the insert in-app link button:
Once you have clicked this button, a new menu will appear:
Select the feature you want to link, press the OK button, and it’s done !