This image shows items mapped as follows:

inp1:OrderTotal on the Source side is mapped to cb1:orderTotal on the XSLT File side.

inp1:OrderItemsInfoVO on the Source side is mapped to for-each on the XSLT File side.

inp1:ProductId on the Source side is mapped to cb1:orderItems > cb1:productId on the XSLT File side.

inp1:Quantity on the Source side is mapped to cb1:orderItems > cb1:quantity on the XSLT File side.

inp1:UnitPrice on the Source side is mapped to cb1:orderItems > cb1:price on the XSLT File side.