Can a person attend a 3 days / 40 days function for the deceased?
3 days and 40 days are innovated actions and hence not permissible to attend.
And Allah knows best.
Mufti Waseem Khan
This answer was collected from DarulUloomTT.net, which is operated under the supervision of Mufti Waseem Khan from Darul Uloom Trinidad and Tobago.