According to Brahmāṇdapurāṇa (Brahmandapurana), Āvatī(Avati) is a disciple of Yājñavalka (Yajnavalka) . He is one of the exponents of Śukla-Yajurveda (Sukla-Yajurveda).

Brahmāṇḍapurāṇa (Maharṣi)(1.35.29)