ENQUEUE_ELLVSX 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 ENQUEUE_ELLVSX into the relevant SAP transaction such as SE37 or SE80.
CALL FUNCTION 'ENQUEUE_ELLVSX' " * EXPORTING * mode_llvsx = 'E' " dd26e-enqmode * mandt = SY-MANDT " llvsx-mandt * lvsob = " llvsx-lvsob * lgnum = " llvsx-lgnum * lgtyp = " llvsx-lgtyp * x_lvsob = SPACE " * x_lgnum = SPACE " * x_lgtyp = SPACE " * _scope = '2' " * _wait = SPACE " * _collect = ' ' " ddenq_like-collect EXCEPTIONS FOREIGN_LOCK = 1 " SYSTEM_FAILURE = 2 " . " ENQUEUE_ELLVSX