FKK_PDC_REVERSE_DOCUMENTS is a standard SAP function module that performs functionality. This is available within standard R/3 SAP systems depending on version and release level.
Below are the pattern details for this FM showing its interface including any import, export and tables parameters. There is also a list of Exceptions and for your convenience any standard documentation available. All this information and more can also be viewed if you enter the function module name FKK_PDC_REVERSE_DOCUMENTS into the relevant SAP transaction such as SE37 or SE80.
CALL FUNCTION 'FKK_PDC_REVERSE_DOCUMENTS' "
EXPORTING
is_pdc = " dfkkpdc
is_rev = " rfpdc_rev
* i_update_task = SPACE " xfeld
* i_stodt = " stodt_kk
i_blart = " blart_kk
i_augrd = " augrd_kk
* i_voidr = SPACE " voidreas_kk
* i_stmet = SPACE " stmet_kk
* i_fikey = " fikey_kk
i_herkf = " herkf_kk
* i_callr = SPACE " fkkfields-callr
IMPORTING
ev_opbel = " opbel_kk
ev_opbel_pay = " opbel_kk
. " FKK_PDC_REVERSE_DOCUMENTS