Hadith report, the scale of the report's transmission, the routes through which the report was transmitted, and the individual narrators involved in its transmission. On the basis of these criteria, various classifications were devised for hadith. The earliest comprehensive work in hadith studies was Abu Muhammad al-Ramahurmuzi's "al-Muhaddith al-Fasil", while another significant work was al-Hakim al-Naysaburi's "Ma‘rifat ‘ulum al-hadith". Ibn al-Salah's "ʻUlum al-hadith" is considered the standard classical reference on hadith studies. By means of hadith terminology, hadith are categorized as "ṣaḥīḥ" (sound, authentic), "ḍaʿīf" (weak), or "mawḍūʿ" (fabricated). Other classifications used also include: "ḥasan" (good), which refers to an otherwise
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