What does 1 Kings 19:13 mean?

When Elijah heard it, he wrapped his cloak around his face and went out and stood at the cave’s entrance. Then he heard a voice say, 'What are you doing here, Elijah?' 1 Kings 19:13 - Modern Text Bible

(Elijah recognizes God’s presence in the whisper and steps out, and God repeats His question, inviting Elijah to speak again.)