diff --git a/runelite-api/src/main/java/net/runelite/api/Client.java b/runelite-api/src/main/java/net/runelite/api/Client.java
index 86579ba5be..114119274f 100644
--- a/runelite-api/src/main/java/net/runelite/api/Client.java
+++ b/runelite-api/src/main/java/net/runelite/api/Client.java
@@ -486,6 +486,11 @@ public interface Client extends GameEngine
 	 */
 	void setDraggedOnWidget(Widget widget);
 
+	/**
+	 * Gets Interface ID of the root widget
+	 */
+	int getTopLevelInterfaceId();
+
 	/**
 	 * Gets the root widgets.
 	 *