Mahabharata 3.242.6

निमन्त्रणार्थं दूतांश्च प्रेषयामास शीघ्रगान्पार्थिवानां च राजेन्द्र ब्राह्मणानां तथैव चते प्रयाता यथोद्दिष्टं दूतास्त्वरितवाहनाः

nimantraṇārthaṃ dūtāṃśca preṣayāmāsa śīghragānpārthivānāṃ ca rājendra brāhmaṇānāṃ tathaiva cate prayātā yathoddiṣṭaṃ dūtāstvaritavāhanāḥ

Our plain-language meaning of this verse is waiting for scholar review.