Hadith as Sunna, but it is not necessary that a Sunna would have a supporting hadith sanctioning it. Some sources (Khaled Abou El Fadl) limit hadith to verbal reports, with the deeds of Muhammad and reports about his companions being part of the "Sunnah", but not hadith. Joseph Schacht quotes a Hadith by Muhammad that is used "to justify reference" in Islamic law to companions of Muhammad as religious authorities — "My companions are like lodestars." According to Schacht, (and other scholars) in the very first generations after the death of Muhammad, use of hadith from "Sahabah" ("companions" of Muhammad) and
Hadith of Golden Chain Hadith Qudsi, i.e., the word of God, but differs from Quran. The Gabriel transmitted hadith from God to prophet. Al-Silsilah al-Dhahab is Mutawatir. Shia and sunni scholars have narrated the hadith by Different expressions with authenticity. This hadith is Musalsal meaning that it's a word of God and is conveyed from Prophet of Islam through Ahl al-Bayt to Ali al-Ridha. In other word, narrators of the hadith are Prophet and Ahl al-Bayt. According to shia view they are infallible and immune from error in practical matters, in inviting people to the religion and in perceiving the realm of cognition. because