'hello' reference=[model::Item|QualifiedName];

QualifiedName: ID ('.' ID)*;

fragment = ecore.EcoreGeneratorFragment {
	referencedGenModels = 'platform:/resource/model/model.genmodel'

hello example

'hello' reference=[model::Item|ID];

'hello' reference=[model::Item|ID];

reference=[model::type|syntax]

hello example

hello examp.le

grammar org.xtext.example.mydsl.MyDsl with org.eclipse.xtext.common.Terminals

generate myDsl "http://www.xtext.org/example/mydsl/MyDsl"

import 'platform:/resource/org.xtext.example.mydsl/My.ecore' as types
import "http://www.eclipse.org/emf/2002/Ecore" as ecore

Model:
	greetings+=Greeting*;
	
Greeting:
	('Hello' name=ID '!') |  ('Goodbye' reference=[types::Concept|ID]) | ('Hi' eobjectRef=[ecore::EClass|ID]);

<extension point="org.eclipse.xtext.extension_resourceServiceProvider">
        <resourceServiceProvider
            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.resource.IResourceUIServiceProvider"
            uriExtension="test2">
        </resourceServiceProvider>
    </extension>

public class MyDslStandaloneSetup extends MyDslStandaloneSetupGenerated{

	public static void doSetup() {
		new MyDslStandaloneSetup().createInjectorAndDoEMFRegistration();
	}
	
	@Override
	public void register(Injector injector) {
		super.register(injector);
		org.eclipse.xtext.resource.IResourceServiceProvider serviceProvider = injector.getInstance(org.eclipse.xtext.resource.IResourceServiceProvider.class);
		org.eclipse.xtext.resource.IResourceServiceProvider.Registry.INSTANCE.getExtensionToFactoryMap().put("test2", serviceProvider);
	}
}

public class MyResourceServiceProvider extends DefaultResourceServiceProvider {

	@Override
	public boolean canHandle(URI uri) {
		if (uri.toPlatformString(true).endsWith("test2")) {
			return true;
		}
		return super.canHandle(uri);
	}

}

public class MyDslRuntimeModule extends org.xtext.example.mydsl.AbstractMyDslRuntimeModule {

	public Class<? extends IResourceServiceProvider> bindIResourceServiceProvider() {
		return MyResourceServiceProvider.class;
	}
	
}

public String qualifiedName(Todo2 todo) {
    return todo2.getAnAttributeThatActsAsName();
}