The type of barcode, for example "EAN13" or "UPCA". For a complete list, see http://big.btwentyfour.com/codes#id1

ordchg_Examples
 <itemReference registry="Supplier" coding="EAN13">7313492579415</itemReference> 
ordchg_XPATH

/b24Message/orderChange/item/itemReference[@registry="Supplier"]@coding

ordchg_Edifact_Path
ORDCHG.LIN.C212.7143
ordchg_Edifact_Qualifiers
N/A
ordchg_edifact_sample
LIN+1++7313492579392:EN::91'
ordchg_Required
No
ordchg_Type
Text
ordchg_Sort
14500