Musnad Abu Ya'la al-Mawsili 153:210

Abu al-Walid al-Qurashi narrated to us, al-Walid narrated to us, he said: Hanzalah bin Abi Sufyan narrated to me that he heard al-Qasim bin Muhammad say: I was with Abdullah bin Umar when a man came to him to bid him farewell. Ibn Umar said to him: "Wait, so that I may bid you farewell as the Messenger of Allah (ﷺ) used to bid us farewell: 'I entrust to Allah your religion, your trust, and the finality of your deeds.'"