أَخْبَرَنَا إِسْمَاعِيلُ بْنُ مَسْعُودٍ، قَالَ حَدَّثَنَا خَالِدٌ، عَنْ عَبْدِ الْمَلِكِ، عَنْ عَطَاءٍ، عَنْ أُسَامَةَ، قَالَ خَرَجَ رَسُولُ اللَّهِ صلى الله عليه وسلم مِنَ الْبَيْتِ صَلَّى رَكْعَتَيْنِ فِي قُبُلِ الْكَعْبَةِ ثُمَّ قَالَ ‏"‏ هَذِهِ الْقِبْلَةُ ‏"‏ ‏.‏

It was narrated that Usmah said: "The Messenger of Allah came out of the House and prayed two Rakahs in front of the Kabah, then he said: 'This is the Qiblah.'" Translation Not Available

Book Ref: Sunan An Nisai Book 24 Hadith 2916
Web Ref:  Sunan An Nisai Vol 3 Book 24 Hadith 2919