Skandapurana 1.3.15.126

1.3.15.126

viṣṭaraṃ viṣṭareṇaiva mayā dattaṃ ca vai prabho..
śāṃtyarathaṃ tava deveśa varado bhava me sadā.. 17.126 ..

And a seat of sacred grass has been offered by me with a grass mat, O Lord. / For your satisfaction, O Lord of gods, be ever the granter of boons to me!