diff --git a/lib/internal/inspect_repl.js b/lib/internal/inspect_repl.js
index c61bbc9..e246b70 100644
--- a/lib/internal/inspect_repl.js
+++ b/lib/internal/inspect_repl.js
@@ -238,6 +238,7 @@ class ScopeSnapshot {
       const value = new RemoteObject(prop.value);
       return [prop.name, value];
     }));
+    this.completionGroup = properties.map((prop) => prop.name);
   }
 
   [util.inspect.custom](depth, opts) {
@@ -480,7 +481,9 @@ function createRepl(inspector) {
       if (!selectedFrame) {
         return Promise.reject(new Error('Requires execution to be paused'));
       }
-      return selectedFrame.loadScopes();
+      return selectedFrame.loadScopes().then((scopes) => {
+        return scopes.map((scope) => scope.completionGroup);
+      });
     }
 
     if (selectedFrame) {