diff --git a/chat-agent-sample/src/extension.ts b/chat-agent-sample/src/extension.ts
index e7f59b0b..5ac0d048 100644
--- a/chat-agent-sample/src/extension.ts
+++ b/chat-agent-sample/src/extension.ts
@@ -89,6 +89,28 @@ export function activate(context: vscode.ExtensionContext) {
         }
     };
 
+    vscode.chat.registerVariable('cat_context', 'Describes the state of mind and version of the cat', {
+        resolve: (name, context, token) => {
+            if (name == 'cat_context') {
+                const mood = Math.random() > 0.5 ? 'happy' : 'grumpy';
+                return [
+                    {
+                        level: vscode.ChatVariableLevel.Short, 
+                        value: 'version 1.3 ' + mood 
+                    },
+                    {
+                        level: vscode.ChatVariableLevel.Medium, 
+                        value: 'I am a playful cat, version 1.3, and I am ' + mood 
+                    },
+                    {
+                        level: vscode.ChatVariableLevel.Full, 
+                        value: 'I am a playful cat, version 1.3, this version prefer to explain everything using mouse and tail metaphores. I am ' + mood 
+                    }
+                ]
+            }
+        }
+    });
+
     context.subscriptions.push(
         agent,
         // Register the command handler for the /meow followup