请高手指点,user exit是如何执行的呢?
比如MB1B有下述Exit Name:
MBCF0002 Customer function exit:Segment text in material doc.item
MBCF0005 Material document item for goods receipt/issue slip
MBCF0006 Customer function for WBS element
MBCF0007 ...
MBCF0009
MBCF0010
MBCF0011
那这些User Exit程序执行机制?在什么时候执行?在exit MB1B时触发执行吗?那这些个执行顺序是如何安排的呢?
Thanks!