HighGroundRoyaleFusion/Assets/_Scripts/Utils/CopyAndPaste.cs

using UnityEngine;
using System.Runtime.InteropServices;

public class CopyAndPaste
{

#if UNITY_WEBGL
    [DllImport("__Internal")]
    private static extern void CopyToClipboardAndShare(string text);
    [DllImport("__Internal")]
    private static extern string GetCurrentUrl();
#endif

    public static void Copy(string text)
    {
#if UNITY_EDITOR
        GUIUtility.systemCopyBuffer = text;
#endif

#if !UNITY_EDITOR && UNITY_WEBGL
        CopyToClipboardAndShare(text);
#endif
    }//Copy() end

}//class end