Hi Desi,
You can find the object with
Object ID (TDOBJECT) = "DOC_ITEM"
Text Name (TDNAME) = CCCCDDDDDDDDDDLLL
where CCCC = Co Code
DDDDDDDDDD = document number (FI document number)
LLL = Line item number
Text ID = "001"
You may use function module READ_TEXT with the above information.
Regards
Sach!n