One day Muhammd was sitting in the Masjid and Hazrat Jibreel Brought this Dua' to Rasulullah Sall Allahu alaihi wa Aalihi wa Sallim. Hazrat Jibreel Alaihi Salaam said that in addition to a lot of Fazaail. in this Dua', the reciter gets three things from ALLAH ta 'ala. Firstly, ALLAH gives him rizq from the ghayb.