Sahih Muslim 3510
صحيح مسلم#3510SahihIbn 'Umar (Allah be pleased with them) reported Allah's Apostle (ﷺ) as saying:When any one of you is invited to a feast, he should accept. 'Ubaidallah took this feast to be a wedding feast
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: 16:113