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.

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.