diff --git a/src/canvas/canvas_frame.rs b/src/canvas/canvas_frame.rs
index 63253794..7d6b79e7 100644
--- a/src/canvas/canvas_frame.rs
+++ b/src/canvas/canvas_frame.rs
@@ -11,6 +11,9 @@ use winit::event::Event;
 use crate::util::tr_event::{TrEvent, TrUIEvent};
 use crate::drawables::sprite::{Velocity, Geometry};
 
+enum CustomEvent {
+
+}
 /// Trait which may be inherited by objects that wish to be drawn to the screen
 pub trait Drawable {
 
@@ -31,7 +34,7 @@ pub trait Drawable {
     // Notify is where custom events created in other parts of the system will be ingested. It
     // might be a good idea in the future to have some of pre-function-call filtering so we
     // don't have as many notifies that just immediately reject.
-    fn notify<Y, T>(&self, tr_event : Vec<TrEvent<Y>>, ui_events: Vec<TrUIEvent<T>>) -> Vec<TrUIEvent<T>>;
+    fn notify<Y: 'static, T: 'static>(&self, tr_event : Vec<TrEvent<Y>>, ui_events: Vec<TrUIEvent<T>>) -> Vec<TrUIEvent<T>>;
 }