diff --git a/packages/fx-core/src/common/featureFlags.ts b/packages/fx-core/src/common/featureFlags.ts
index f375bc1e58..3811f782ee 100644
--- a/packages/fx-core/src/common/featureFlags.ts
+++ b/packages/fx-core/src/common/featureFlags.ts
@@ -33,6 +33,7 @@ export class FeatureFlagName {
   static readonly EnvFileFunc = "TEAMSFX_ENV_FILE_FUNC";
   static readonly KiotaIntegration = "TEAMSFX_KIOTA_INTEGRATION";
   static readonly ApiPluginAAD = "TEAMSFX_API_PLUGIN_AAD";
+  static readonly CEAEnabled = "TEAMSFX_CEA_ENABLED";
 }
 
 export interface FeatureFlag {
@@ -104,6 +105,10 @@ export class FeatureFlags {
     name: FeatureFlagName.ApiPluginAAD,
     defaultValue: "false",
   };
+  static readonly CEAEnabled = {
+    name: FeatureFlagName.CEAEnabled,
+    defaultValue: "false",
+  };
 }
 
 export function isCopilotExtensionEnabled(): boolean {