What does 2 Kings 22:15 mean?

She said to them, 'Here’s what the Lord, Israel’s God, says: Tell the man who sent you to me—' 2 Kings 22:15 - Modern Text Bible

(Huldah, the prophet, is speaking to the messengers sent by King Josiah. She’s about to deliver God’s message in response to Josiah’s inquiry about the book of the law that was found.)