Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tirmidhi:976Abū Salamah Yaḥyá b. Khalaf al-Baṣrī > Bishr b. al-Mufaḍḍal > ʿUmārah b. Ghaziyyah > Yaḥyá b. ʿUmārah > Abū Saʿīd al-Khudrī

The Prophet said: "Instruct your dying to say: (La illaha illallah) 'None has the right to be worshipped but Allah'  

الترمذي:٩٧٦حَدَّثَنَا أَبُو سَلَمَةَ يَحْيَى بْنُ خَلَفٍ الْبَصْرِيُّ حَدَّثَنَا بِشْرُ بْنُ الْمُفَضَّلِ عَنْ عُمَارَةَ بْنِ غَزِيَّةَ عَنْ يَحْيَى بْنِ عُمَارَةَ عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ

عَنِ النَّبِيِّ ﷺ قَالَ لَقِّنُوا مَوْتَاكُمْ لاَ إِلَهَ إِلاَّ اللَّهُ قَالَ وَفِي الْبَابِ عَنْ أَبِي هُرَيْرَةَ وَأُمِّ سَلَمَةَ وَعَائِشَةَ وَجَابِرٍ وَسُعْدَى الْمُرِّيَّةِ وَهِيَ امْرَأَةُ طَلْحَةَ بْنِ عُبَيْدِ اللَّهِ  

قَالَ أَبُو عِيسَى حَدِيثُ أَبِي سَعِيدٍ حَدِيثٌ حَسَنٌ غَرِيبٌ صَحِيحٌ