Shankhayanagrihyasutra 2.14.5

2.14.5

: agnaye svāhā somāya svāhā indra agnibhyām svāhā viṣṇave svāhā bharadvāja dhanvantaraye svāhā viśvebhyo devebhyaḥ svāhā prajāpataye svāhā aditaye svāhā anumataye svāhā agnaye sviṣṭakṛte svāhā iti hutvā etāsām devatānām /

He then shall offer Balis (i.e. portions of food) in the centre of the floor to the same deities; (then another Bali with the words,) 'Adoration to Brahman and to the Brâhmanas!' and (with the verse), 'Vâstoshpati, accept us' (Rig-veda VII, 54, 1) in the centre of the floor to Vâstoshpati.