Mere friend ka accident hua tha tho mai ne bola tha agar wo thik hua tho I will fast 1 day. So use roze ka niyat kya kare? Wo niyat kaise rakhe. Can you say that sentence?

Niyyat Nazr ke roza ki hogi.

Waise to Niyyat ka zaban se doharana zaroori nahin hai magar is roza ke liye aapki Niyyat yahi hogi ke Raza main Rakhti/ Rakhta hoon Nazr ka Wajib Qurbatan ilallah.