diff --git a/dotlottie-ffi/src/dotlottie_player.udl b/dotlottie-ffi/src/dotlottie_player.udl
index ea291b11..c716566f 100644
--- a/dotlottie-ffi/src/dotlottie_player.udl
+++ b/dotlottie-ffi/src/dotlottie_player.udl
@@ -154,6 +154,7 @@ interface DotLottiePlayer {
     boolean state_machine_start();
     boolean state_machine_stop();
     sequence<string> state_machine_framework_setup();
+    i32 state_machine_post_event([ByRef] Event event);
     i32 state_machine_post_pointer_down_event(f32 x, f32 y);
     i32 state_machine_post_pointer_up_event(f32 x, f32 y);
     i32 state_machine_post_pointer_move_event(f32 x, f32 y);