diff --git a/examples/api-samples/src/browser/api-samples-frontend-module.ts b/examples/api-samples/src/browser/api-samples-frontend-module.ts
index a2e36fbcaa36f..2109455b631d9 100644
--- a/examples/api-samples/src/browser/api-samples-frontend-module.ts
+++ b/examples/api-samples/src/browser/api-samples-frontend-module.ts
@@ -20,6 +20,7 @@ import { bindSampleFilteredCommandContribution } from './contribution-filter/sam
 import { bindSampleUnclosableView } from './view/sample-unclosable-view-contribution';
 import { bindSampleOutputChannelWithSeverity } from './output/sample-output-channel-with-severity';
 import { bindSampleMenu } from './menu/sample-menu-contribution';
+import { bindTestMenu } from './menu/test-menu-contribution';
 import { bindSampleFileWatching } from './file-watching/sample-file-watching-contribution';
 import { bindVSXCommand } from './vsx/sample-vsx-command-contribution';
 import { bindSampleToolbarContribution } from './toolbar/sample-toolbar-contribution';
@@ -39,6 +40,7 @@ export default new ContainerModule((
     bindSampleUnclosableView(bind);
     bindSampleOutputChannelWithSeverity(bind);
     bindSampleMenu(bind);
+    bindTestMenu(bind);
     bindSampleFileWatching(bind);
     bindVSXCommand(bind);
     bindSampleFilteredCommandContribution(bind);
diff --git a/examples/api-samples/src/browser/menu/sample-menu-contribution.ts b/examples/api-samples/src/browser/menu/sample-menu-contribution.ts
index a8a2590623497..03476ec585a8c 100644
--- a/examples/api-samples/src/browser/menu/sample-menu-contribution.ts
+++ b/examples/api-samples/src/browser/menu/sample-menu-contribution.ts
@@ -79,7 +79,7 @@ export class SampleCommandContribution implements CommandContribution {
         });
         commands.registerCommand(SampleCommand2, {
             execute: () => {
-                alert('This is sample command2!');
+                alert('This is sample command222!');
             }
         });
         commands.registerCommand(SampleCommandConfirmDialog, {
@@ -199,9 +199,9 @@ export class SampleCommandContribution implements CommandContribution {
 export class SampleMenuContribution implements MenuContribution {
     registerMenus(menus: MenuModelRegistry): void {
         const subMenuPath = [...MAIN_MENU_BAR, 'sample-menu'];
-        menus.registerSubmenu(subMenuPath, 'Sample Menu', {
-            order: '2' // that should put the menu right next to the File menu
-        });
+        // menus.registerSubmenu(subMenuPath, 'Sample Menu', {
+        //     order: '2' // that should put the menu right next to the File menu
+        // });
         menus.registerMenuAction(subMenuPath, {
             commandId: SampleCommand.id,
             order: '0'
diff --git a/examples/api-samples/src/browser/menu/test-menu-contribution.ts b/examples/api-samples/src/browser/menu/test-menu-contribution.ts
new file mode 100644
index 0000000000000..01622ca263fde
--- /dev/null
+++ b/examples/api-samples/src/browser/menu/test-menu-contribution.ts
@@ -0,0 +1,123 @@
+import { inject, injectable, interfaces } from '@theia/core/shared/inversify';
+
+import {
+    Command, CommandContribution, CommandRegistry, MAIN_MENU_BAR,
+    MenuContribution, MenuModelRegistry, MessageService
+} from '@theia/core/lib/common';
+import {ConfirmDialog} from '@theia/core/lib/browser';
+
+// simple pop up window
+const TestCommand: Command = {
+    id: 'test-command',
+    label: 'Test Command'
+};
+
+// simple dialog with a message, cancel and ok buttons
+const TestDialog: Command = {
+    id: 'test-dialog',
+    label: 'Test Dialog'
+};
+
+const TestMessage1: Command = {
+    id: 'test-message1',
+    label: 'Test Message Info'
+};
+
+const TestMessage2: Command = {
+    id: 'test-message2',
+    label: 'Test Progress Info'
+};
+
+
+@injectable()
+export class TestMenuContribution implements MenuContribution {
+    registerMenus(menus: MenuModelRegistry): void {
+        const subMenuPath = [...MAIN_MENU_BAR, 'test-menu'];
+        menus.registerSubmenu(subMenuPath, 'Test Menu', {
+            order: '2'
+        });
+        menus.registerMenuAction(subMenuPath, {
+            commandId: TestCommand.id,
+            order: '0'
+        });
+        menus.registerMenuAction(subMenuPath, {
+            commandId: TestDialog.id,
+            order: '1'
+        });
+        const subSubMenuPath = [...subMenuPath, 'sample-sub-menu'];
+        menus.registerSubmenu(subSubMenuPath, 'Sample sub menu', { order: '2' });
+        menus.registerMenuAction(subSubMenuPath, {
+            commandId: TestMessage1.id,
+            order: '0'
+        });
+        menus.registerMenuAction(subSubMenuPath, {
+            commandId: TestMessage2.id,
+            order: '1'
+        });
+
+    }
+}
+
+@injectable()
+export class TestCommandContribution implements CommandContribution {
+
+    @inject(MessageService)
+    protected readonly messageService: MessageService;
+    
+    registerCommands(commands: CommandRegistry): void {
+        commands.registerCommand(TestCommand, {
+            execute: () => {
+                alert('Amalia: Test command.');
+            }
+        });
+        commands.registerCommand(TestDialog, {
+            execute: async () => {
+                await new ConfirmDialog({
+                    title: 'Confirm Dialog',
+                    msg: 'Testing confirm dialog.'
+                }).open();
+            }
+        });
+        commands.registerCommand(TestMessage1, {
+            execute: async () => { 
+               await this.messageService.info('Message Service: Info. ') 
+            }
+        });
+        commands.registerCommand(TestMessage2, {
+            execute: () => {
+                this.messageService
+                    .showProgress({
+                        text: 'Starting to report progress',
+                    })
+                    .then(progress => {
+                        window.setTimeout(() => {
+                            progress.report({
+                                message: 'First step completed',
+                                work: { done: 25, total: 100 }
+                            });
+                        }, 2000);
+                        window.setTimeout(() => {
+                            progress.report({
+                                message: 'Next step completed',
+                                work: { done: 60, total: 100 }
+                            });
+                        }, 4000);
+                        window.setTimeout(() => {
+                            progress.report({
+                                message: 'Complete',
+                                work: { done: 100, total: 100 }
+                            });
+                        }, 6000);
+                        window.setTimeout(() => progress.cancel(), 7000);
+                    });
+            }
+        })
+
+    }
+
+}
+
+export const bindTestMenu = (bind: interfaces.Bind) => {
+    bind(CommandContribution).to(TestCommandContribution).inSingletonScope();
+    bind(MenuContribution).to(TestMenuContribution).inSingletonScope();
+};