Man Lā Yaḥḍuruh al-Faqīh
Hadith 551551 - وَ سُئِلَ: عَنْ أَجْرِ اَلنَّائِحَةِ فَقَالَ «لاَ بَأْسَ بِهِ وَ قَدْ نِيحَ عَلَى رَسُولِ اَللَّهِ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ.
Hadith.551 – Imam (as) said was asked about the reward (ajr) of the mourning woman (nā’iḥah),
Imam (as) said: "There is no issue with it, for mourning (niyaḥah) was done for the Messenger of Allah (sw)."