Start respond_override

app/controllers/spree/admin/payments_controller_decorator.rb

@@ -0,0 +1,9 @@
+# If a user fires an event on a payment from the orders page, set the responder to takes you back to the orders page (not payments page)
+#Responder: http://guides.spreecommerce.com/developer/logic.html#overriding-controller-action-responses
+
+Spree::Admin::PaymentsController.class_eval do
+  respond_override :fire => { :html => { :success => lambda {
+      #if referrer == orders#index
+      #  redirect_to orders#index
+    } } }
+end