ShippingAddressPage.cs

public class ShippingAddressPage : BasePageSingleton<ShippingAddressPage, ShippingAddressPageMap>
{
    public void ClickContinueButton()
    {
        this.Map.ContinueButton.Click();
    }

    public void FillShippingInfo(ClientPurchaseInfo clientInfo)
    {
        this.Map.CountryDropDown.SelectByText(clientInfo.Country);
        this.Map.FullNameInput.SendKeys(clientInfo.FullName);
        this.Map.Address1Input.SendKeys(clientInfo.Address1);
        this.Map.CityInput.SendKeys(clientInfo.City);
        this.Map.ZipInput.SendKeys(clientInfo.Zip);
        this.Map.PhoneInput.SendKeys(clientInfo.Phone);
        this.Map.ShipToThisAddress.Click();
    }
}