It is narrated from Anas bin Malik, may Allah be pleased with him, that the Prophet ﷺ came to the house of Abu Talha Al-Ansari, may Allah be pleased with him, and a group was with him ﷺ. They ate food at his place, and this was an invitation other than a wedding feast (walimah).
Hadith Referenceمسند الإمام الشافعي / كتاب الصيام / 641
Hadith Takhrijاخرجه البخاري، الصلاة، باب من دعى لطعام في المسجد و من أجاب منه (422)، (3578) ومسلم، الاشربة باب جواز استتباعه غيره الى دار من يثق برضاه بذلك ..... الخ (2040)۔