SAP Function Module Relating to HR Apprisal

Function Module Name - HRHAP_DOCUMENT_GET_DETAIL
EG:
data: lv_APPRAISAL_ID type HAP_S_APPRAISAL_ID,
lit_BODY_CELLS type HAP_T_BODY_CELLS,
lwa_BODY_CELLS type HAP_S_BODY_CELLS.

lv_APPRAISAL_ID-APPRAISAL_ID = appraisal_id.

CALL FUNCTION 'HRHAP_DOCUMENT_GET_DETAIL'
EXPORTING
plan_version = '01'
s_appraisal_id = lv_APPRAISAL_ID
IMPORTING
T_BODY_CELLS = lit_BODY_CELLS.