Add new Payment Gateway

Hi.
I am trying to add a new Gateway support in nopCommerce. The gateway is for http://www.faturah.com/en/home.aspx

Can you please refer me to some article for creating a support for Payment Gateways or guide me in few steps to achieve this.

Regards,
Muhammad Naveed Khan

https://www.nopcommerce.com/docs/76/how-to-code-my-own-payment-method.aspx

Thanks for the article. This surely will help me out.

Regards.