MECP_CHECK_KBLNR_KBLPOS 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 MECP_CHECK_KBLNR_KBLPOS into the relevant SAP transaction such as SE37 or SE80.
CALL FUNCTION 'MECP_CHECK_KBLNR_KBLPOS' " EXPORTING im_ebeln = " ebeln Purchasing Document Number im_ebelp = " ebelp Item Number of Purchasing Document im_kblnr = " kblnr Document No. Earmarked Funds im_kblpos = " kblpos Document Item Earmarked Funds . " MECP_CHECK_KBLNR_KBLPOS