void DrawAreaName()
        {
            EditorGUILayout.BeginVertical("Button");
            GUILayout.Space(7);
            serializedObject.Update();

            EditorGUI.BeginChangeCheck();

            EditorGUILayout.PropertyField(myName, new GUIContent("Grid Name"));

            serializedObject.ApplyModifiedProperties();

            if (EditorGUI.EndChangeCheck())
            {
                Undo.RecordObject(Target, "Change Area Name");
                SS_Common.RenameArea("SS_Grid", myName.stringValue, Target.transform);
            }
            GUILayout.Space(7);
            EditorGUILayout.EndVertical();
        }