Muhammad ibn Ya‘qub from Ali ibn Ibrahim from his father from Ibn Abi Umayr from Hammad from al-Halabi from Abu Abdillah عليه السلام, peace be upon him, who said:
Imam al-Sadiq عليه السلام said: “Eat on the day of al-Fitr, before you go out to the place of prayer.”
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 3, p. 150