(14) باب حَمْلِ الْعَنَزَةِ أَوِ الْحَرْبَةِ بَيْنَ يَدَىِ الإِمَامِ يَوْمَ الْعِيدِ
Narrated Ibn `Umar:
The Prophet (ﷺ) used to proceed to the Musalla and an 'Anaza used to be carried before him and planted in the Musalla in front of him and he would pray facing it (as a Sutra).
Reference: Sahih al-Bukhari 973
In-book reference: Book 13, Hadith 22
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 15, Hadith 90