It wasnarrated from Abu Sa'eed Al-Khudri that:
The Messenger of Allah(ﷺ) observed I'tifak in a Turkish tent, over the door of whichwas apiece of reed matting. He pushed the mat aside, then he put hisheadout and spoke to the people. (FR)
English reference (FR): Vol. 1, Book 7, Hadith 1775 (FR)
Arabic reference (FR): Book 7, Hadith 1847 (FR)