Narrated Al-Bara:
that regarding Allah's saying: Allah will keep firm those who believe, with the word that stands firm in this world and in the Hereafter (14:27). The Prophet (ﷺ) said: "In the grave, when it is said to him: 'Who is your Lord? What is your religion? And who is your Prophet?'" (ES)
English reference (ES): Vol. 5, Book 44, Hadith 3120 (ES)
Arabic reference (ES): Book 47, Hadith 3411 (ES)