Narrated Anas b. Malik :
The Apostle of Allah ﷺ entered a park. He was accompanied by a boy who had a jug of water with him. He was the youngest of us. He placed it near the lote-tree. He ( the Prophet, ﷺ ) relieved himself. He came to us after he had cleansed himself with water.

حَدَّثَنَا وَهْبُ بْنُ بَقِيَّةَ، عَنْ خَالِدٍ، - يَعْنِي الْوَاسِطِيَّ - عَنْ خَالِدٍ، - يَعْنِي الْحَذَّاءَ - عَنْ عَطَاءِ بْنِ أَبِي مَيْمُونَةَ، عَنْ أَنَسِ بْنِ مَالِكٍ، أَنَّ رَسُولَ اللَّهِ ﷺ دَخَلَ حَائِطًا وَمَعَهُ غُلاَمٌ مَعَهُ مِيضَأَةٌ وَهُوَ أَصْغَرُنَا فَوَضَعَهَا عِنْدَ السِّدْرَةِ فَقَضَى حَاجَتَهُ فَخَرَجَ عَلَيْنَا وَقَدِ اسْتَنْجَى بِالْمَاءِ .