Shatapatha Brahmana 11.1.6.20

11.1.6.20

tā vā etāḥ pañca devatā etena kāmapreṇa yajñenāyajanta tā yatkāmā ayajanta sa ābhyaḥ kāmaḥ samārdhyata yatkāmo ha vā etena yajñena yajate so'smai kāmaḥ samṛdhyate

These five deities, then, performed that wish-fulfilling sacrifice; and for whatever wish they sacrificed, that wish of theirs was fulfilled; and, verily, for whatever wish one performs that sacrifice, that wish of his is fulfilled.