Sahih Muslim 774
صحيح مسلم#774SahihAbdullah b. Ja'far reported:The Messenger of Allah (ﷺ) one day made me mount behind him and he confided to me something secret which I would not disclose to anybody; and the Messenger of Allah (ﷺ) liked the concealment provided by a lofty place or cluster of dates (while answering the call of nature), Ibn Asma' said in his narration: It implied an enclosure of the date-trees
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: 3:96