In Portlet Factory there are two approaches for implenting inter-portlet communication, Factory eventing and using the Cooperative Source/Target builders. Portal Server 6.1. introduces Client Side Aggregation (CSA) for a partial portal page refresh.
When using CSA Portlet Eventing can not be used for portlet communication because the target portlet is not refreshed. The sample attached below shows how to use the Cooperative Source/Target builders for transferring a complex variable on a CSA page. The video shows the result of the models.