Reading a Feature(PE03) with Field Return

[Classes]
Name: CL_HRPAY99_POSTING_ENGINE_PP
Example: RPCIPE00( Posting to Accounting: Create Posting Run)
Method: CL_HRPAY99_POSTING_ENGINE_PP =>GET_MOMAG(Determines MOMAG)

[Functions]
Name: HR_FEATURE_BACKFIELD(Reading a Feature with Field Return)
Example1: CL_HRPAY99_POSTING_ENGINE=>GET_MOMAG

Example2

READ TABLE GT_WPBP INTO GS_WPBP INDEX 1.

IF SY-SUBRC = 0.
  CALL FUNCTION 'HR_FEATURE_BACKFIELD'
             EXPORTING
                   FEATURE = 'PPMOD'
                   STRUC_CONTENT = GS_WPBP
             IMPORTING
                  BACK = GS_TAB-MOMAG.
ENDIF.