In liferay you can define listeners for an entity. They work like triggers and necessary code will be called based on what action is performed on the entity (update , create etc).In these three steps you can understand how LDAP is synched with Liferay DB.
Category Archives: Technologies
Social Activities in Liferay(5.2.x)
World of Liferay portlets (Friends Activity, Recent Activity) give you feed of activities about your friends and overall.Here I am explaining how Blogs portlet generates feed for these portlets.
You can follow same steps to implement it, to display your portlet in feeds.
Knowledge Share 