When accessing these tags on documents and emails that have access to shipments, ParcelOrderItems can be added as a prefix to the tag or the parcel order item loop can be used.

{{ParcelOrderItem.TagName}}    or    <!--{{#each ParcelOrderItems}}-->{{TagName}}<!--{{/each}}-->

Additional Sub Object
IdThe id of parcel order item.Guid
OrderItemThe tags related to an order item can be accessed for the an order item allocated to the parcel.

Order Item Tags
OrderItemIdThe id of the order item.Guid
ParcelThe tags related to a parcel can be accessed for the parcel the order item is allocated to.
Parcel Tags
ParcelIdThe id of the parcel.Guid
QuantityThe quantity of the order item that has been allocated to the parcel.Whole Number