 			contentType: 'application/json; charset=utf-8'
 			dataType: 'json'
 			data: JSON.stringify(updateItemsRequest)
-		.done @cacheOrderForm
+		.done @_cacheOrderForm
 		.done => @_requestingItem = undefined
 
 	# Sends a request to remove items from the OrderForm.

			contentType: 'application/json; charset=utf-8'
			dataType: 'json'
			data: JSON.stringify(updateItemsRequest)
		.done @cacheOrderForm

	# Sends a request to add an offering to the OrderForm.
	# @param offeringId [String, Number] the id of the offering.

			contentType: 'application/json; charset=utf-8',
			dataType: 'json',
			data: JSON.stringify(transactionRequest)
		.done @_cacheOrderForm

	# Sends a request to retrieve the orders for a specific orderGroupId.
	# @param orderGroupId [String] the ID of the order group.
