diff --git a/packages/primevue/src/timeline/Timeline.d.ts b/packages/primevue/src/timeline/Timeline.d.ts
index 5ba5ea434..e30606d73 100644
--- a/packages/primevue/src/timeline/Timeline.d.ts
+++ b/packages/primevue/src/timeline/Timeline.d.ts
@@ -99,6 +99,11 @@ export interface TimelineContext {
      * Current index of the item as a number.
      */
     index: number;
+
+    /**
+     * Total number of items in the timeline.
+     */
+    count: number;
 }
 
 /**