The people doubted whether Allah's Messenger (ﷺ) was fasting or the Day of `Arafat or not. So I sent a cup containing milk to him and he drank it.
(daughter of Al-Harith) that she sent a bowl of milk to the Prophet (ﷺ) while he was standing (at `Arafat) in the afternoon of the Day of `Arafat. He took it in his hands and drank it. Narrated Abu Nadr: The Prophet was on the back of his camel.
that the people were in doubt whether the Prophet (ﷺ) was fasting on the Day of `Arafat or not, so a (wooden) drinking vessel full of milk was sent to him, and he drank it.