Alma 18:39

but this is not all, for he expounded unto them the plan of redemption, which was prepared from the foundation of the world; and he also made known unto them concerning the coming of Christ; and all the works of the Lord did he make know unto them.

But this is not all. He explained to them the plan of redemption. This plan was prepared from the foundation of the world. He also told them about the coming of Christ. He told them about all the works of the Lord.