FLEXCUBE Advice Extensibility

Dear all i am new to oracle flexcube extensibility. I have to build my on custom advice in flexcube. Advice path is (/u01/middleware/user_projects/domains/testdr_domain/servers/soa_server1/tmp/_WL_user/ENG/ADV) I want to show my advice instead of system advice. for example i want to show my universal check advice .Kindly help me