I witnessed sacrificing along with the Messenger of Allah ﷺ at the place of prayer. When he finished his sermon, he descended from his pulpit, and a ram was brought to him. The Messenger of Allah ﷺ slaughtered it with his hand, and said: In the name of Allah, Allah, is Most Great. This is from me and from those who did not sacrifice from my community.  

شَهِدْتُ مَعَ رَسُولِ اللَّهِ ﷺ الأَضْحَى بِالْمُصَلَّى فَلَمَّا قَضَى خُطْبَتَهُ نَزَلَ مِنْ مِنْبَرِهِ وَأُتِيَ بِكَبْشٍ فَذَبَحَهُ رَسُولُ اللَّهِ ﷺ بِيَدِهِ وَقَالَ بِسْمِ اللَّهِ وَاللَّهُ أَكْبَرُ هَذَا عَنِّي وَعَمَّنْ لَمْ يُضَحِّ مِنْ أُمَّتِي