You define the applications (links to Web Dynpro Applications, reports, transactions, URLs, and so on) available for the role Employee Self-Service Overview.
Depend on the used technique
SAP delivers the service HRESS_A_MENU standard setup for transaction LPD_CUST ( Launchpad ABAP) which contains a complete menu set-up for the Employee Self-Service role: Role=ESS; Instance=MENU; Version=2
The services are filtered according to the country to which the logged-in user belongs. The service filtering is based on the application parameter COUNTRYGROUPING. Applications which have this parameter set are available only to those employees who belong to the specified country.