Implementations should store the common ST/SE elements as well as the attributes specific to the particular transaction type.
The ST01 segment element contains the functional group code, which identifies the X12 transaction type
common X12 transaction types associated with retail are 856 (ASN), 850 (PO), and 812 (invoice).
- Returns: the ST01 segment value
The ST02 segment element contains the control number. This should match the control number on the corresponding transaction trailer segment.
- Returns: the ST02 segment value
The SE01 segment element contains the number of segments that are in this transaction.
- Returns: the SE01 segment value
The SE02 segment element contains the control number. This should match the control number on the corresponding transaction header segment.
- Returns: the SE02 segment value