كتاب النكاح
8  
Marriage
Bulugh al-Maram 1039
Narrated Ibn 'Umar (RA):
Allah's Messenger (ﷺ) said: "When one of you is invited to a wedding feast he must attend it." [Agreed upon].
وَعَنْ اِبْنِ عُمَرَ ‏- رَضِيَ اَللَّهُ عَنْهُمَا‏- قَالَ : قَالَ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-{ إِذَا دُعِيَ أَحَدُكُمْ إِلَى اَلْوَلِيمَةِ فَلْيَأْتِهَا } مُتَّفَقٌ عَلَيْهِ 1‏ .‏
Reference : Bulugh al-Maram 1039
In-book reference : Book 8, Hadith 1039
English translation : Book 8, Hadith 1050
Bulugh al-Maram 1039
Muslims has:
"When one of you invites his brother, he must respond (i.e. attend), whether it is a wedding or something similar."
وَلِمُسْلِمٍ : { إِذَا دَعَا أَحَدُكُمْ أَخَاهُ , فَلْيُجِبْ; عُرْسًا كَانَ أَوْ نَحْوَهُ } 1‏ .‏
Reference : Bulugh al-Maram 1039
In-book reference : Book 8, Hadith 1039
Hadith Text
Reference