diff --git a/lib/Cake/Event/CakeEvent.php b/lib/Cake/Event/CakeEvent.php
index f1d8e3fe5..d05f4d351 100644
--- a/lib/Cake/Event/CakeEvent.php
+++ b/lib/Cake/Event/CakeEvent.php
@@ -47,6 +47,12 @@ class CakeEvent {
  */
 	public mixed $omitSubject;
 
+/**
+ * PHP 8.2 deprecation notice: added to avoid `Creation of dynamic property ... is deprecated.`
+ * @var mixed
+ */
+	public mixed $collectReturn;
+
 /**
  * Name of the event
  *