SAP Function Module search on XBU
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XBU_PRIOR_TO_SREEN0601 - FM called by BDT prior to property screen 601
XBU_REBU_EVENT_DSAVE - Saving data to DB: Building
XBU_REBU_EVENT_FMOD2 - Event FMod2:BU
XBU_REBU_EVENT_ISDAT - Reading data: Building
XBU_REBU_EVENT_ISSTA - Inicialization: Building
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