using Paps.UnityToolbarExtenderUIToolkit; using UnityEngine; using UnityEngine.UIElements; [MainToolbarElement(id: "SampleSlider")] public class SampleSlider : Slider { public void InitializeElement() { label = "Sample Slider"; lowValue = 0; highValue = 100; RegisterCallback>(eventArgs => Debug.Log("Slider value is: " + eventArgs.newValue)); } }