What does 1 Chronicles 28:8 mean?

So now, in front of everyone from Israel and with God listening, I’m telling you: stick to everything the Lord your God has told you. If you do, you’ll keep this good land and pass it on to your kids forever. 1 Chronicles 28:8 - Modern Text Bible

(David urges the people to stay faithful to God’s instructions, so they can keep the land and pass it down to future generations.)