][2] Jibra'il (Gabriel) is said to have taught the prayer to Muhammad when he was praying at Maqam Ibrahim.
[1][2] The Mujeer supplication text was mentioned in the books Balad al-Amin and Misbuh by Ibrahim ibn Ali A’meli Kafa’mi.
The words "Subhaanaka" ("Glory be to You") and "Ta-aalayta" ("Exalted be You") are frequently used in the prayer.
In the opinion of Ayatollah Mojtahedi everyone who reads the Du'a in the thirteenth, fourteenth, and fifteenth days of Ramadan will have their sins forgiven.
[8] Some Shia Muslims claim that saying the prayer "is also very effective for the cure of the sick, fulfillment of debts, acquisition of wealth and relief from sorrows.