Se requiere agrega la biblioteca dll al proyecto que la implementará y se solicita agregar la librería "FluentValidation" 11.2.2
Si se ocupa un archivo csproj se visualiza de esta manera
<ItemGroup>
<Reference Include="SdkNet">
<HintPath>........\SdkNet.dll</HintPath>
</Reference>
<PackageReference Include="FluentValidation" Version="11.2.2" />
</ItemGroup>o en su defecto si ocupa la librería que se agrega
<ItemGroup>
<Reference Include="FluentValidation">
<HintPath>..\FluentValidation.dll</HintPath>
</Reference>
<Reference Include="SdkVisualBasic">
<HintPath>..\SdkVisualBasic.dll</HintPath>
</Reference>
</ItemGroup>En la clase que se ocupará se necesita agregar
...
using SdkNet;
using SdkNet.Models;
...Ejemplo de su ejecución
WPPClient client = new WPPClient("https://sandboxpo.mit.com.mx/gen", "SNDBX123",
"5DCC67393750523CD165F17E1EFADD21");
UrlData urlData = new UrlData();
urlData.reference = "reference001";
urlData.amount = 10.0;
urlData.moneda = UrlData.MonedaType.MXN;
urlData.promotions = "C";
urlData.stEmail = 1;
urlData.expirationDate = DateTime.Now;
BusinessData businessData = new BusinessData();
businessData.idBranch = "01SNBXBRNCH";
businessData.idCompany = "SNBX";
businessData.user = "SNBXUSR0123";
businessData.pwd = "SECRETO";
PaymentData paymentData = new PaymentData();
paymentData.business = businessData;
paymentData.url = urlData;
var responseURL = client.GetUrlPayment(paymentData);