--- /dev/null
+<?xml version="1.0" ?>
+
+<container xmlns="http://symfony.com/schema/dic/services"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xmlns:project="http://www.example.com/schema/projectwithxsd"
+ xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd
+ http://www.example.com/schema/projectwithxsd http://www.example.com/schema/projectwithxsd/project-1.0.xsd">
+
+ <project:foobar />
+
+</container>