I want to know the answer to the following question:
What is attested as a self-identifier in Iranian languages?
All the background I'm provided with is that "In Iranian languages, the gentilic is attested as a self-identifier included in ancient inscriptions and the literature of Avesta,[a] and remains also in other Iranian ethnic names such as Alans (Ossetic: Ир – Ir) and Iron (Ossetic:". Is that enough to answer the question?
Answer: yes