Hadith 1393
Chapter 192: What was narrated concerning Prayer and prostration at times of gratitude - كتاب إقامة الصلاة والسنة فيها
حَدَّثَنَا مُحَمَّدُ بْنُ يَحْيَى، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، عَنْ مَعْمَرٍ، عَنِ الزُّهْرِيِّ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ كَعْبِ بْنِ مَالِكٍ، عَنْ أَبِيهِ، قَالَ لَمَّا تَابَ اللَّهُ عَلَيْهِ خَرَّ سَاجِدًا .
It was narrated from ‘Abdur-Rahman bin Ka’b bin Malik that his father said that when Allah accepted his repentance, he fell down prostrate.
Reference : Sunan Ibn Majah 1393
In-book reference : Book 5, Hadith 591