Al-Kāfi - Volume 3 > Informing People to Attend a Funeral Service
Hadith #3

3ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ الْحُسَيْنِ بْنِ سَعِيدٍ عَنِ الْقَاسِمِ بْنِ مُحَمَّدٍ عَنْ بَعْضِ أَصْحَابِهِ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ الْسَّلام) قَالَ إِنَّ الْجِنَازَةَ يُؤْذَنُ بِهَا النَّاسُ.

3. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from al-Husayn ibn Sa‘id from al-Qasim ibn Muhammad from certain persons of his people who has said the following: “Abu ‘Abd Allah, ‘Alayhi al-Salam, has said that people should be informed to attend the funeral of a deceased person.”