Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) narrates that the Messenger of Allah (peace and blessings be upon him) said: "When you place your deceased in their graves, recite this supplication: BISMILLAHI WA ‘ALA SUNNATI RASULILLAH (In the name of Allah and upon the way of the Messenger of Allah we are placing him in the grave)."