It is (offered) in the way of Allah. The Messenger of Allah ﷺ said: For this you will have seven hundred she-camels on the Day of Judgment all of which will be muzzled.
رَسُولُ اللَّهِ ﷺ لَكَ بِهَا يَوْمَ الْقِيَامَةِ سَبْعُمِائَةِ نَاقِةٍ كُلُّهَا مَخْطُومَةٌ