<?xml version="1.0" encoding="utf-8"?> <UXML xmlns:ui="UnityEngine.UIElements" xmlns:aui="UnityEditor.U2D.Animation"> <aui:CopyToolbar name="CopyToolbar"> <ui:Button name="Copy" tooltip="Copy"> <ui:Image name="CopyImage" /> </ui:Button> <ui:Button name="Paste" tooltip="Paste"> <ui:Image name="PasteImage" /> </ui:Button> </aui:CopyToolbar> </UXML>