hi ,
refer here ..for this you need to do OM and PA first :-
http://help.sap.com/erp2005_ehp_05/helpdata/en/98/1222d3404e3849912015524dce03e5/frameset.htm
Tcodes for PMS Basic Setting
OOHAP_BASIC Basic Appraisal Template Settings
OOHAP_CATEGORY Appraisal Category Settings
OOHAP_CAT_GROUP Category Group Settings
OOHAP_SETTINGS_PA PA: Settings
OOHAP_VALUE_TYPE Standard Value Lists
T codes for PMS Process
PHAP_ADMIN Administrator - Appraisal Document
PHAP_CATALOG Appraisal Template Catalog
PHAP_CHANGE Change Appraisal Document
PHAP_CREATE Create Appraisal
PHAP_PREPARE Prepare Appraisal Documents
PHAP_SEARCH Evaluate Appraisal Document
ESS- Performance Management System Configuration on Portal for ECC 6 Ehp4 --- this document is for your referal purpose onl