صحيح ابن خزيمه
Sahih Ibn Khuzaymah
جماع أبواب الأذان والإقامةChapters on Adhan and Iqamah
(231) بَابُ إِبَاحَةِ الدُّعَاءِ بَعْدَ التَّشَهُّدِ وَقَبْلَ السَّلَامِ بِمَا أَحَبَّ الْمُصَلِّي،231 Chapter: Permissibility of Supplicating after Tashahhud and before Salam with Any Supplication the Worshipper Wishes.
Hadith Q720
ضِدَّ قَوْلِ مَنْ زَعَمَ أَنَّهُ غَيْرُ جَائِزٍ أَنْ يُدْعَى فِي الْمَكْتُوبَةِ إِلَّا بِمَا فِي الْقُرْآنِ.
Contrary to the opinion of the person who says that it is not permissible to supplicate with non-Quranic supplications in obligatory prayers.
