question #1 Sahih Muslim 56a, Book 1, Hadith 106 : What are the key components of the pledge of allegiance given to the Prophet Muhammad (peace be upon him) by his companions?

It is narrated on the authority of Jarir that he observed I gave pledge of allegiance to the Messenger of Allah (may peace and blessings be upon him) on the observance of prayer, payment of Zakat, and sincerity and well-wishing for every Muslim.