Creating EUD from Purchase Order Line
You can use the 
    option in Purchase Order Lines (tdpur4101m000) session to create the EUD. 
	 You must select a EUS ID for the EUD ID field, the
      EUD ID field is defaulted with the default EUD series from the GTC parameters. After
      specifying the appropriate fields, you must select the  option to create the EUD; all other data are defaulted. The EUD is
      linked to the EUS and the purchase order line. 
  Note: The EUD type is always Purchase Order is
        this case.