ENOfficial
Ibn ‘Umar said that God’s Messenger used to sacrifice and slaughter at the place of prayer. Bukhari transmitted it. Idain, 22, where “the Prophet” occurs in place of “God’s Messenger.”
Source: sunnah.com
Other translations
Arabic
وَعَنِ ابْنِ عُمَرَ قَالَ: كَانَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَذْبَحُ وَيَنْحَرُ بِالْمُصَلَّى. رَوَاهُ البُخَارِيّ
sunnah.com