What does 2 Chronicles 20:9 mean?

If disaster ever hits us—war, disease, famine—we’ll come to this temple and stand in front of you, because this is your house. We’ll call out to you when we’re in trouble, and we know you’ll hear us and help. 2 Chronicles 20:9 - Modern Text Bible

(The people express their trust that God will listen and respond when they seek him in times of crisis, especially at the temple.)