Sayyiduna Abu Hurayrah (may Allah be pleased with him) states that the Messenger of Allah (peace and blessings be upon him) sent Sayyiduna Umar bin al-Khattab (may Allah be pleased with him) to collect the sadaqah.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب النذور / 20152