Al-Kāfi - Volume 3 > Informing People to Attend a Funeral Service
Hadith #2

2ـ أَبُو عَلِيٍّ الأشْعَرِيُّ عَنْ مُحَمَّدِ بْنِ عَبْدِ الْجَبَّارِ عَنْ صَفْوَانَ بْنِ يَحْيَى عَنْ ذَرِيحٍ الْمُحَارِبِيِّ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ الْسَّلام) قَالَ سَأَلْتُهُ عَنِ الْجِنَازَةِ يُؤْذَنُ بِهَا النَّاسُ قَالَ نَعَمْ.

2. Abu Ali al-Ash’ariy has narrated from Muhammad ibn ‘Abd al-Jabbar from Safwan ibn Yahya from Dharih al-Muharibiy who has said the following: “I once asked abu ‘Abd Allah, ‘Alayhi al-Salam, ‘Should people be informed to attend the funeral of a deceased person?’ He (the Imam) replied, ‘Yes, people should be informed.’”