God commands Moses to use the Urim to receive revelation.
Numbers 27:18-21, The Holy Bible, (Salt Lake City: The Church of Jesus Christ of Latter-Day Saints, 2013), accessed November 29, 2021
And the Lord said unto Moses, Take thee Joshua the son of Nun, a man in whom is the spirit, and lay thine hand upon him;
And set him before Eleazar the priest, and before all the congregation; and give him a charge in their sight.
And thou shalt put some of thine honour upon him, that all the congregation of the children of Israel may be obedient.
And he shall stand before Eleazar the priest, who shall ask counsel for him after the judgment of Urim before the Lord: at his word shall they go out, and at his word they shall come in, both he, and all the children of Israel with him, even all the congregation