Valid Segment Types
- STR - constant string (pre-supplied value)
- DTE - Date/Time component of the current system date
- SEQ - Sequence number
- HDR - Receipt table (Header) lookup value
- DET - Receipt Detail table lookup value
- POH - Purchase Order Header table lookup value
- STO - Storer (Owner) table lookup value
- SKU - SKU (Item) table lookup value