Hi pallavi.26673361
Please share the use-case, and what type of customization is required ?
Some reference article to help you :-
Link :- https://docs.adobe.com/docs/en/cq/5-6-1/deploying/replication.html#Configuring%20your%20Replication%...
//Configuring your Replication Agents
Link:- http://dev.day.com/content/kb/home/cq5/Development/CQ5Replication/ReplicationListener.html
// how to implement a replication Event Listner
Link:- http://aemfaq.blogspot.in/2013/05/how-to-configure-replication-agent-to.html
//Configure Replication agent to specific site content.
Link:- http://www.wemblog.com/2012/02/how-to-use-static-agent-in-cq-wem.html
//How to use static agent in CQ/WEM
I hope this would help you.
Thanks and Regards
Kautuk Sahni
Kautuk Sahni