Elijah's Prayer on Mount Carmel
A public plea that God would answer and turn hearts.
Elijah asks God to answer by fire so the people will know the Lord is God and their hearts will be turned back.
Scripture
1 Kings 18:36-37
36 It happened at the time of the offering of the offering, that Elijah the prophet came near, and said, "Yahweh, the God of Abraham, of Isaac, and of Israel, let it be known this day that you are God in Israel, and that I am your servant, and that I have done all these things at your word.
37 Hear me, Yahweh, hear me, that this people may know that you, Yahweh, are God, and that you have turned their heart back again."