UnityEngine.RuntimeUndo.RecordObject C# (CSharp) Method

        public static extern void RecordObject(UnityEngine.Object objectToUndo, string name);
        [MethodImpl(MethodImplOptions.InternalCall), WrapperlessIcall]

 public void Add(UnityEngine.Object driver, RectTransform rectTransform, DrivenTransformProperties drivenProperties)
 {
     if (this.m_Tracked == null)
     {
         this.m_Tracked = new List <RectTransform>();
     }
     if (!Application.isPlaying)
     {
         RuntimeUndo.RecordObject(rectTransform, "Driving RectTransform");
     }
     this.m_Tracked.Add(rectTransform);
     rectTransform.drivenByObject    = driver;
     rectTransform.drivenProperties |= drivenProperties;
 }