Dua 164
You will get the Promise of Allah to please you in hereafter.
رَضِيتُ باللَّهِ رَبًّا، وَبِالْإِسْلَامِ دِيناً، وَبِمُحَمَّدٍ صَلَى اللَّهُ عَلِيهِ وَسَلَّمَ نَبِيَّاً. (ثلاثاً)
(Radeetu billahi rabban wabil-islami deenan wabi Muhammadin Sallal lahu aliyhee wa sallam nabiyya) x 3
“I am pleased with Allah as a Lord, and Islam as a religion and Muhammad peace be upon him as a Prophet. x 3”
Tirmidhi 3389; Sunan Ibn Majah 3870