Class ArrayOfOrderType

Property
OrderType
AscioServices services = new ServiceReference1.AscioServiceClient();
SecurityHeaderDetails securityHeader = new SecurityHeaderDetails();
securityHeader.Account = "username";
securityHeader.Password = "password";

ArrayOfOrderType arrayOfOrderType =  new ArrayOfOrderType();
arrayOfOrderType.OrderType = OrderType.Register;
arrayOfOrderType.OrderTypeSpecified = true;
WSDL for AWS v3
https://aws.demo.ascio.com/v3/aws.wsdl (OTE)
https://aws.ascio.com/v3/aws.wsdl (Live)
Please configure the IP-Whitelisting in the portal/demo-portal.