lib/active_merchant/billing/gateways/sage_pay.rb in activemerchant-1.42.6 vs lib/active_merchant/billing/gateways/sage_pay.rb in activemerchant-1.42.7

@@ -291,9 +291,13 @@
           :Vendor => @options[:login],
           :TxType => TRANSACTIONS[action],
           :VPSProtocol => "2.23"
         )
 
+        if(application_id && (application_id != Gateway.application_id))
+          parameters.update(:ReferrerID => application_id)
+        end
+
         parameters.collect { |key, value| "#{key}=#{CGI.escape(value.to_s)}" }.join("&")
       end
 
       # SagePay returns data in the following format
       # Key1=value1