It is narrated from Sayyiduna Abu Umamah (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "Whoever prays the Friday prayer, fasts on that day, visits a sick person, attends a funeral and attends a marriage, Paradise becomes obligatory for him."
Hadith Referenceالمعجم الكبير للطبراني / باب الصاد / 7453