doc

source/funkin/scripting/events/StrumCreationEvent.hx

@@ -1,5 +1,7 @@
 package funkin.scripting.events;
 
+import funkin.game.Strum;
+
 class StrumCreationEvent extends CancellableEvent {
     @:dox(hide) public var __doAnimation = !PlayState.isStoryMode;
 
@@ -20,6 +22,7 @@ class StrumCreationEvent extends CancellableEvent {
     public var strumID:Int;
 
     public function new(strum:Strum, player:Int, strumID:Int) {
+        super();
         this.strum = strum;
         this.player = player;
         this.strumID = strumID;

source/funkin/scripting/events/SubstateEvent.hx

@@ -1,12 +1,15 @@
 package funkin.scripting.events;
 
-class SubstateEvent {
+import flixel.FlxSubState;
+
+class SubstateEvent extends CancellableEvent {
     /**
      * Substate that is about to be opened/closed
      */
     public var substate:FlxSubState;
 
     public function new(substate:FlxSubState) {
+        super();
         this.substate = substate;
     }
 }