plugins/org.eclipse.sirius.services.graphql.core/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
   <extension
         point="org.eclipse.sirius.services.graphql.common.siriusGraphqlSchemaCustomizer">
      <descriptor
            class="org.eclipse.sirius.services.graphql.core.internal.schema.CoreSchemaCustomizer"
            id="org.eclipse.sirius.services.graphql.core.graphqlSchemaCustomizer">
      </descriptor>
   </extension>

</plugin>