HR_PERSONAL_WORK_SCHEDULE to Retrieve employees work schedule - function module

The below code shows how HR_PERSONAL_WORK_SCHEDULE is used. Export to the FM a personnel number, period and it will retrieve the employees work schedule for that period.


data: it_ptpsp type standard table of t_ptpsp initial size 0,
      wa_ptpsp type t_ptpsp.

  CALL FUNCTION 'HR_PERSONAL_WORK_SCHEDULE'
       EXPORTING
            pernr             = pernr-pernr
            begda             = pn-begda
            endda             = pn-endda
*          KUG               =
*          REFRESH           = 'X'
*          WORKING_HOURS     = 'X'
*          SWITCH_ACTIV      =
*          MODIFY_ENTRIES    = 'X'
*          I0001_I0007_ERROR = '0'
*          READ_CLUSTER      =
      IMPORTING
           warning_occured   =   gd_warning
       TABLES
*          I0000             =
*          I0001             =
*          I0002             =
*          I0007             =
*          I0049             =
*          I2001             =
*          I2002             =
*          I2003             =
            perws             = it_ptpsp   "Stores employees work schedule
*          I0003             =
      EXCEPTIONS
           error_occured     = 1
           abort_occured     = 2
           OTHERS            = 3.