Śatapatha Brāhmaṇa ("of a hundred paths") 1.9.1.12

1.9.1.12

asyāmṛdheddhotrāyāṃ devaṃgamāyāmiti | asyāṃ rādhnotu hotrāyāṃ devaṃgamāyāmityevaitadāhāśāste 'yaṃ yajamāno 'sāviti nāma gṛhṇāti tadenam pratyakṣamāśiṣā sampādayati

'May he prosper in this sacrifice which goes to the gods!' he thereby says, 'May he be successful in this sacrifice which goes to the gods.'--'Thus prays this sacrificer, N.N.;' here he gives the name, and thereby makes him directly successful in his prayer.