diff --git a/frontend/src/interfaces/uiConfig.ts b/frontend/src/interfaces/uiConfig.ts
index 65070583ec71..9c62909e2e01 100644
--- a/frontend/src/interfaces/uiConfig.ts
+++ b/frontend/src/interfaces/uiConfig.ts
@@ -90,6 +90,7 @@ export type UiFlags = {
     archiveProjects?: boolean;
     projectListImprovements?: boolean;
     onboardingUI?: boolean;
+    eventTimeline?: boolean;
 };
 
 export interface IVersionInfo {
diff --git a/src/lib/types/experimental.ts b/src/lib/types/experimental.ts
index 09e56e2bc3eb..f72544ea73d1 100644
--- a/src/lib/types/experimental.ts
+++ b/src/lib/types/experimental.ts
@@ -63,7 +63,8 @@ export type IFlagKey =
     | 'addonUsageMetrics'
     | 'onboardingMetrics'
     | 'onboardingUI'
-    | 'projectRoleAssignment';
+    | 'projectRoleAssignment'
+    | 'eventTimeline';
 
 export type IFlags = Partial<{ [key in IFlagKey]: boolean | Variant }>;
 
@@ -312,6 +313,10 @@ const flags: IFlags = {
         process.env.UNLEASH_EXPERIMENTAL_PROJECT_ROLE_ASSIGNMENT,
         false,
     ),
+    eventTimeline: parseEnvVarBoolean(
+        process.env.UNLEASH_EXPERIMENTAL_EVENT_TIMELINE,
+        false,
+    ),
 };
 
 export const defaultExperimentalOptions: IExperimentalOptions = {
diff --git a/src/server-dev.ts b/src/server-dev.ts
index be7e586391db..0ddf1f49977e 100644
--- a/src/server-dev.ts
+++ b/src/server-dev.ts
@@ -57,6 +57,7 @@ process.nextTick(async () => {
                         addonUsageMetrics: true,
                         onboardingMetrics: true,
                         onboardingUI: true,
+                        eventTimeline: true,
                     },
                 },
                 authentication: {