Use inter-portlet communication to have portlets interact and share information.
There are two ways you can set up inter-portlet communications:
Using cooperative portlets
Available in portlets built to the IBM Standard (JSR 168) Portlet APIUsing click-to-action portlets
Available in portlets built using the deprecated IBM (legacy) Portlet APINote:
If you use IBM® WebSphere® Application Server 6 or later, use cooperative portlets.
Parent topic: Sending cooperative portlet events to target portlets