Sayyiduna Anas bin Malik (may Allah be pleased with him) said that when the Messenger of Allah (peace and blessings of Allah be upon him) would go to the toilet (bathroom), I and another boy would carry a water vessel and a spear. He would purify himself with the water.
Hadith Referenceاللؤلؤ والمرجان / كتاب الطهارة / 153
Hadith Gradingمحدثین:«صحیح»
Hadith Takhrij«صحیح، أخرجه البخاري في: 4 كتاب الوضوء: 17 باب حمل العنزة مع الماء في الاستنجاء»
Hadith 154
154 صحيح حديث أَنسِ بْنِ مَالِكٍ، قَالَ: كَانَ النَّبِيُّ صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ إِذَا تَبَرَّزَ لِحَاجَتِهِ أَتَيْتُهُ بِمَاءٍ فَيَغْسِلُ بِهِ
Sayyiduna Anas bin Malik (may Allah be pleased with him) narrates that when the Messenger of Allah (peace and blessings be upon him) would go out to relieve himself, I would bring water to him and he would perform istinja (cleaning) with it.
Hadith Referenceاللؤلؤ والمرجان / كتاب الطهارة / 154
Hadith Gradingمحدثین:«صحیح»
Hadith Takhrij«صحیح، أخرجه البخاري في: 4 كتاب الوضوء: 56 باب ما جاء في غسل البول»