public static Transform FindSpecificChildByTag(Transform trans, string tag) { Transform resultTrs = null; resultTrs = (trans.tag == tag) ? trans : null; if (resultTrs != null) { return(resultTrs); } foreach (Transform trs in trans.transform) { resultTrs = AppUtility.FindSpecificChildByTag(trs, tag); if (resultTrs != null) { return(resultTrs); } } return(resultTrs); }