using Paps.UnityToolbarExtenderUIToolkit; using UnityEditor; using UnityEditor.Toolbars; using UnityEngine; [MainToolbarElement(id: "SampleButtonWithIcon", alignment: ToolbarAlign.Left, order: 2)] public class SampleButtonWithIcon : EditorToolbarButton { public void InitializeElement() { icon = (Texture2D)EditorGUIUtility.IconContent("_Popup@2x").image; tooltip = "This is an example of a toolbar button with an icon"; clicked += () => Debug.Log("A debug log from sample button with an icon"); } }