Moses 6:26-27 describes Enoch’s prophetic call:
And it came to pass that Enoch journeyed in the land, among the people; and as he journeyed, the Spirit of God descended out of heaven, and abode upon him.
And he heard a voice from heaven, saying: Enoch, my son, prophesy unto this people …
Professor Stephen D. Ricks notes six characteristic features of the prophetic call pattern in the Bible. The Book of Moses account of Enoch’s calling is remarkably similar:
How was Joseph Smith so familiar with the characteristics of prophetic callings?
See: