We gave the oath of allegiance to the Prophet ﷺ under the tree. He said to me, "O Salama! Will you not give the oath of allegiance?" I replied, "O Messenger of Allah ﷺ! I have already given the oath of allegiance for the first time." He said, (Give it again) for the second time.  

بَايَعْنَا النَّبِيَّ ﷺ تَحْتَ الشَّجَرَةِ فَقَالَ لِي يَا سَلَمَةُ أَلاَ تُبَايِعُ قُلْتُ يَا رَسُولَ اللَّهِ قَدْ بَايَعْتُ فِي الأَوَّلِ قَالَ وَفِي الثَّانِي