THIS FUNCTION IS CURRENTLY IMPLEMENTED ONLY FOR THE "app" NAMESPACE - NOT FOR "api"
This function will only add line to the cart - not to the "order center"
LeadingLine is optional - it should be used for "bonus items" to assign an item to it's "parent" item.
pepperi.app.transactions.addLines({transaction:{UUID:"11cda91f-df09-4d3c-826d-184e5f394d06"},lines:[{item: {ExternalID:"MCR00101BLUEL"},lineData: { UnitsQuantity:5 },leadingLine:{UUID:"11cda91f-df09-4d3c-826d-184e5f394d0d"}}]});
Returns:
{"success": true,"result": [{"id": "69dc3368-c74a-4616-b1dc-b21ba38c4daa","status": "added","message": ""}]}