REFERENCE(IS_SOURCE_DATA_MD) TYPE /SAPSLL/VDO_SOURCE_DATA_MD_S OPTIONAL
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REFERENCE(IS_SOURCE_DATA_MD) TYPE /SAPSLL/VDO_SOURCE_DATA_MD_S
REFERENCE(ES_SOURCE_MD) TYPE /SAPSLL/VDO_SOURCE_DATA_MD_S
REFERENCE(IS_SOURCE_DATA_MD_VDO) TYPE /SAPSLL/VDO_SOURCE_DATA_MD_S OPTIONAL