REFERENCE(I_HEAD) TYPE HEAD_PERIO OPTIONAL
REFERENCE(I_HEAD) TYPE HEAD_PERIO
REFERENCE(E_HEAD) TYPE HEAD_PERIO
REFERENCE(E_TRIP_SCHEMA) TYPE HEAD_PERIO-SCHEM
REFERENCE(E_BEGIN_OF_TRIP) LIKE HEAD_PERIO-DATV1
REFERENCE(I_TRIP_SCHEMA) TYPE HEAD_PERIO-SCHEM OPTIONAL
REFERENCE(I_BEGIN_OF_TRIP) LIKE HEAD_PERIO-DATV1 OPTIONAL
REFERENCE(I_SCHEMA) LIKE HEAD_PERIO-SCHEM OPTIONAL
REFERENCE(I_PERIODVERSION) LIKE HEAD_PERIO-PDVRS
VALUE(I_PERIODVERSION) LIKE HEAD_PERIO-PDVRS
VALUE(I_SCHEMA) LIKE HEAD_PERIO-SCHEM OPTIONAL
REFERENCE(IS_HEAD) TYPE HEAD_PERIO
REFERENCE(I_TRIP_SCHEMA) LIKE HEAD_PERIO-SCHEM OPTIONAL
REFERENCE(I_DATE) TYPE HEAD_PERIO-PDATB DEFAULT SY-DATUM
REFERENCE(I_TRIP_SCHEMA) TYPE HEAD_PERIO-SCHEM
VALUE(I_HEAD) TYPE HEAD_PERIO OPTIONAL
REFERENCE(I_TARGET_DATE) LIKE HEAD_PERIO-PDATV OPTIONAL
REFERENCE(I_DATE) LIKE HEAD_PERIO-PDATB DEFAULT SY-DATUM
REFERENCE(E_MOLGA) TYPE HEAD_PERIO-MOLGA
REFERENCE(E_MOREI) TYPE HEAD_PERIO-MOREI
REFERENCE(I_PERIODVERSION) LIKE HEAD_PERIO-PDVRS OPTIONAL
REFERENCE(I_TRIP_SCHEMA) TYPE HEAD_PERIO-SCHEM DEFAULT SPACE
VALUE(I_TRIP_SCHEMA) LIKE HEAD_PERIO-SCHEM OPTIONAL
VALUE(I_TARGET_DATE) LIKE HEAD_PERIO-PDATV OPTIONAL
VALUE(I_TRIP_SCHEMA) TYPE HEAD_PERIO-SCHEM OPTIONAL