Sahih Muslim Book 25, Hadith 25
How the people have been ordered about the will" ; and in the hadith of Ibn Numair (the words are):" How the will has been prescribed for the Muslims, '.
I asked 'Abdullah b. Abu Aufa whether Allah's Messenger (ﷺ) had made any will (in regard to his property). He said: NO. I said: Then why has making of will been made necessary for the Muslims, or why were they commanded to make will? Thereupon he said: He made the will according to the Book of Allah, the Exalted and Majestic.
Allah's Messenger (ﷺ) left neither dinar nor dirham (wealth in the form of cash), nor goats (and sheep), nor camels. And he made no will about anything (in regard to his material possessions, as he had none),