Saying Barich Shmei With Emunah Peshutah

The Baal Hatanya zy”a said in the name of the Besht that when the Aron Hakodesh is opened and a Yid says “Barich Shmei...” with emunah peshutah and from the depths of his heart, Hashem will fulfill whatever he requests, either completely or at least partially.