Initialize Checkout Form action used with Kuika's Iyzico integration is an action used to start a payment transaction using the Iyzico payment system. At the beginning of the checkout process, this action creates a checkout form by collecting users' shopping cart or payment information and transmits it to the Iyzico payment system. In Iyzico integration, the fields of the application end-user's information are prepared with Kuika screens. The Initialize Checkout Form action opens the payment screen in a Web View provided by Iyzico. In this training content, you will learn how to start payment transactions with the Initialize Checkout Form action.