Umar reported that he sought permission from the Prophet ﷺ to perform Umra, and the Prophet ﷺ granted him permission, saying, "My brother, do not forget us in your supplications." Later, in Medina, the Prophet ﷺ said, "My brother, include us in your prayers."Umar said, "I would not exchange his words 'My brother' for everything the sun shines upon."
حدثنا محمد بن جعفر حدثنا شعبة عن عاصم بن عبيد الله عن سالم عن عبد الله بن عمر
عن النبي ﷺ أنه استأذنه في العمرة فأذن له فقال يا أخي لا تنسنا من دعائك وقال بعد في المدينة يا أخي أشركنا في دعائك فقال عمر ما أحب أن لي بها ما طلعت عليه الشمس لقوله يا أخي
Its chain is daif, due to the weakness of Asim bin Ubaydullah bin Umar.His statement "from Umar" was dropped from H, and we have restored it from L.The hadith was narrated by Tirmidhi 4/275, who graded it sahih, and it was narrated by Abu Dawud and Ibn Majah. See the commentary on Mawarith 2/584.