《旧唐书·列传·卷一百二十四》
本月，穆宗在思政殿召他应对策问，赐给他标示三品以上官级的金符紫服。
是月，召对思政殿，赐金紫之服。
This month, Emperor Muzong summoned him in the Sizheng Hall to respond to the policy questions and granted him the golden talisman and purple garment symbolizing the official rank above the third rank.