Sahih Muslim 1415
صحيح مسلم#1415SahihRafi' b. Khadij reported:We used to say the afternoon prayer with the Messenger of Allah (ﷺ), and then the camel was slaughtered and ten parts of it were distributed; then it was cooked and then we ate this cooked meat before the sinking of the sun
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 5:249