Paraskaragrihyasutra 3.4.5

3.4.5

abhyantarato 'gnimupasamādhāya dakṣiṇato brahmāṇamupaveśyottarata udapātraṃ pratiṣṭhāpya sthālīpākaṃ śrapayitvā niṣkramya dvārasamīpe sthitvā brahmāṇamāmantrayate brahman praviśāmīti \5\

Having established the fire inside (the house), having made the Brahman sit down towards the south, having placed a water-pot to the north, and cooked a mess of sacrificial food, he goes out (of the house), and standing near the door, he addresses the Brahman, 'Brahman, I enter (the house)!'