Mu`adh bin Jabal (May Allah be pleased with him) reported:
The Messenger of Allah (ﷺ) said, "He whose last words are: `La ilaha illallah' (There is no true god except Allah) will enter Jannah.''[Abu Dawud]. (JA)
App reference (JA): Book 7, Hadith 24 (JA)
Arabic/English book reference (JA): Book 7, Hadith 917 (JA)