Try out adding a new command

helloworld/package.json

@@ -10,14 +10,19 @@
 		"Other"
 	],
 	"activationEvents": [
-		"onCommand:extension.helloWorld"
+		"onCommand:extension.helloWorld",
+		"onCommand:extension.currentTime"
 	],
 	"main": "./out/extension.js",
 	"contributes": {
 		"commands": [
 			{
 				"command": "extension.helloWorld",
-				"title": "Hello World"
+				"title": "Hello Earth"
+			},
+			{
+				"command": "extension.currentTime",
+				"title": "Current Time"
 			}
 		]
 	},

helloworld/src/extension.ts

@@ -8,7 +8,8 @@ export function activate(context: vscode.ExtensionContext) {
 
 	// Use the console to output diagnostic information (console.log) and errors (console.error)
 	// This line of code will only be executed once when your extension is activated
-	console.log('Congratulations, your extension "helloworld" is now active!');
+	console.log(new Date().getFullYear.toString());
+
 
 	// The command has been defined in the package.json file
 	// Now provide the implementation of the command with registerCommand
@@ -17,10 +18,20 @@ export function activate(context: vscode.ExtensionContext) {
 		// The code you place here will be executed every time your command is executed
 
 		// Display a message box to the user
-		vscode.window.showInformationMessage('Hello World!');
+		vscode.window.showInformationMessage('Hello VS Code!');
 	});
 
 	context.subscriptions.push(disposable);
+
+	let time = vscode.commands.registerCommand('extension.currentTime', () => {
+		let dateNotAString = new Date().getFullYear();
+		let differentDateString = new Date().getFullYear().toString();
+		let date: string = new Date().toDateString();
+		vscode.window.showWarningMessage(date);
+		vscode.window.showWarningMessage(differentDateString);
+	})
+
+	context.subscriptions.push(time);
 }
 
 // this method is called when your extension is deactivated