As Saffat, 103 Ayah

37:103

فَلَمَّآ أَسۡلَمَا وَتَلَّهُۥ لِلۡجَبِينِ ١٠٣

Falammā 'Aslamā Wa Tallahu Liljabīni

And when they had both submitted and he put him down upon his forehead,