Aaishah (RA) reported that the Messenger of Allah (ﷺ) was given a sheep and he ordered for its distribution. When the servant would come back [from distributing it], 'Aaishah (RA) asked, "What did they say?", he replied, "They supplicated:

بَارَكَ اللَّهُ فِيكُمْ

BaarakAllahu feekum

May Allah bless you all. Aaishah (RA) then said:

Reference: Ibn As-Sunni (Page 138 , Hadith no. 278). Also see, Ibnul Qaiyyum's Al Wabilus Sayyeb Page 304. Tahkeek, Bashir Muhammad Uyun