Hadith
حَدَّثَنَا مُحَمَّدُ بْنُ عَبَّادِ بْنِ آدَمَ، حَدَّثَنَا أَبُو أَحْمَدَ، حَدَّثَنَا سُفْيَانُ، عَنْ عَلْقَمَةَ بْنِ مَرْثَدٍ، عَنْ سُلَيْمَانَ بْنِ بُرَيْدَةَ، عَنْ أَبِيهِ، قَالَ كَانَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ يُعَلِّمُهُمْ إِذَا خَرَجُوا إِلَى الْمَقَابِرِ. كَانَ قَائِلُهُمْ يَقُولُ: السَّلاَمُ عَلَيْكُمْ أَهْلَ الدِّيَارِ مِنَ الْمُؤْمِنِينَ وَالْمُسْلِمِينَ وَإِنَّا إِنْ شَاءَ اللَّهُ بِكُمْ لاَحِقُونَ نَسْأَلُ اللَّهَ لَنَا وَلَكُمُ الْعَافِيَةَ .
It was narrated from Sulaiman bin Buraidah that his father said:“The Messenger of Allah (ﷺ) used to teach them, when they went out to the graveyard, to say: As-salamu ‘alaykum ahlad-diyar minal-mu’minina wal- muslimin, wa inna insha’ Allah bikum lahiqun, nas’alul-laha lana wa lakumul-‘afiyah (Peace be upon you, O inhabitants of the abodes, believers and Muslims, and we will join you soon if Allah wills. We ask Allah for well-being for us and for you).’”
Sahih · Al-Albani
Sunan Ibn Majah 1547 ·Book 6, Hadith 115·Also available on sunnah.com·