Sahih Muslim 3511
صحيح مسلم#3511SahihIbn Umar (Allah be pleased withthem) reported Allah's Apostle (ﷺ) having said this:When any one of you is invited to a wedding feast, he should accept that
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: 16:114