(21) باب صَدَقَةِ الْفِطْرِ
It was narrated from Ammar bin Sa'eed, the Mu'adhdhin of the Messenger of Allah from his father,:
that the Messenger of Allah enjoined Sadaqatul-Fitr, one Sa of dates, one Sa of barley, or one Sa of Sult (a kind of barley without skin on it, resembling wheat).
Reference: Sunan Ibn Majah 1830
In-book reference: Book 8, Hadith 48
English translation: Vol. 3, Book 8, Hadith 1830