| Parameter | Description | 
|---|---|
| element | VisualElement tracking an object. | 
| obj | The SerializedObject to track. | 
| callback | Invoked when one of the tracked SerializedObject's value changes. | 
Executes the callback when the property value changes. Unity checks properties for changes at regular intervals during the update loop. If no callback is specified, a SerializedPropertyChangeEvent is sent to the target element.