769Abu DawoodSahih Maqtu' (Al-Albani)حَدَّثَنَا الْقَعْنَبِيُّ، عَنْ مَالِكٍ، قَالَ لاَ بَأْسَ بِالدُّعَاءِ فِي الصَّلاَةِ فِي أَوَّلِهِ وَأَوْسَطِهِ وَفِي آخِرِهِ فِي الْفَرِيضَةِ وَغَيْرِهَا .Malik said:There is no harm in uttering supplication in prayer, in its beginning, in its middle, and in the end, in obligatory prayer or other.Reference: Sunan Abi Dawud 769 In-book : Book 2, Hadith 379 English translation : Book 2, Hadith 768