Sahih Muslim 2123
صحيح مسلم#2123SahihAbu Sa'id al-Khudri reported Allah's Messenger (ﷺ) as saying:Exhort to recite" There is no god but Allah" to those of you who are dying
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: 11:1