It is a function to set a hyperlink to the URL, page in the project, popup or panel that enters the selected widget.
Create a relative URL of the selected page.
If the page is same to the current page and the widget is selected, you can use the scroll animation (smoothly move to the widget).
URL type sets the page to connect to using url.
For panel type, select a panel in the list to set the link type.
For popup type, select a popup in the list to set the link type.