O Allah, send blessings upon Muhammad and the family of Muhammad. (After tashahh — After Prayer Adhkar
اللَّهُمَّ صَلِّ عَلَى مُحَمَّدٍ وَعَلَى آلِ مُحَمَّدٍ
Transliteration: Allaahumma salli 'alaa Muhammadin wa 'alaa aali Muhammad
Translation: O Allah, send blessings upon Muhammad and the family of Muhammad. (After tashahhud)
Reference: Bukhari 4:589