Mishkat al-Masabih 30 Fine Qualities كتاب المناقب 285

عَنْ أَنَسٍ عَنْ زَيْدِ بْنِ ثَابِتٍ أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ نَظَرَ قِبَلَ الْيَمَنِ فَقَالَ: «اللَّهُمَّ أَقْبِلْ بِقُلُوبِهِمْ وَبَارِكْ لَنَا فِي صاعِنا ومُدِّنا» . رَوَاهُ التِّرْمِذِيّ

Anas quoted Zaid b. Thabit who told that the Prophet looked towards the Yemen and said, “O God, turn their hearts towards us, and bless us in our sa’ and our mudd .” Tirmidhi transmitted it.