Hadith 696
Chapter 7: The Virtue Of The Prophet's Masjid And Praying Therein - كتاب المساجد
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا سُفْيَانُ، عَنْ عَمَّارٍ الدُّهْنِيِّ، عَنْ أَبِي سَلَمَةَ، عَنْ أُمِّ سَلَمَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ " إِنَّ قَوَائِمَ مِنْبَرِي هَذَا رَوَاتِبُ فِي الْجَنَّةِ " .
It was narrated from Umm Salamah that the Prophet (ﷺ) said:
"The columns of this Minbar of mine will be in Paradise."
Reference : Sunan an-Nasa'i 696
In-book reference : Book 8, Hadith 9