diff --git a/src/runtime-three/navigation-controller.ts b/src/runtime-three/navigation-controller.ts
index 003d7b1e..6aa52334 100644
--- a/src/runtime-three/navigation-controller.ts
+++ b/src/runtime-three/navigation-controller.ts
@@ -165,6 +165,7 @@ export interface RuntimeControllerContext {
   handleRuntimeTargetLookInput?(
     input: RuntimeTargetLookInput
   ): RuntimeTargetLookInputResult;
+  handleRuntimeTargetLookBoundaryReached?(): boolean;
   isCameraDrivenExternally(): boolean;
   getCameraYawRadians(): number;
   isInputSuspended(): boolean;