"We were with him (Ibn 'Umar) in Jam' (Muzdalifah), and he called the Adhan, then the Iqamah, then he led us in praying Maghrib. Then he said: 'The prayer,' and he led us in praying 'Isha', two Rak'ahs. I said: 'What is this prayer?' He said: 'This is how I prayed with the Messenger of Allah ﷺ in this place.'" (Using translation from Nasāʾī 657)
كُنَّا مَعَهُ بِجَمْعٍ فَأَذَّنَ ثُمَّ أَقَامَ وَصَلَّى بِنَا الْمَغْرِبَ ثُمَّ قَالَ «الصَّلَاةَ» فَصَلَّى بِنَا الْعِشَاءَ رَكْعَتَيْنِ فَقُلْتُ مَا هَذِهِ الصَّلَاةُ؟ قَالَ «هَكَذَا صَلَّيْتُ مَعَ النَّبِيِّ ﷺ فِي هَذَا الْمَكَانِ»