You can enable page designers to use parameters and events to enhance the behavior of their pages.
To
enable parameters and events in a page group, you must have at least
one of the following privileges:
Manage All privileges on the page group
Manage All global privileges on All Page Groups
In the Navigator, click Properties next to the page group with which you want to work.
Click the Configure tab.
In the Parameters and Events section, click Edit.
Select Enable Parameters and Events.
Click OK to return to the Configure tab.
Click OK to return to the Navigator.
Adding a parameter to a page
Passing values to portlet parameters
Setting up events on a page