diff --git a/README.md b/README.md
index 4f23aaa..4d8c9c7 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,8 @@ $reflector = new \ReflectionClass(WsdlType::class);
 $options = [
     WsdlToPhp\PackageBase\AbstractSoapClientBase::WSDL_URL => realpath(dirname($reflector->getFileName()) . '/' . WsdlType::WSDL_FILE);
     WsdlToPhp\PackageBase\AbstractSoapClientBase::WSDL_CLASSMAP => \PocztaPolska\ClassMap::get(),
+    WsdlToPhp\PackageBase\AbstractSoapClientBase::WSDL_LOGIN = "login",
+    WsdlToPhp\PackageBase\AbstractSoapClientBase::WSDL_PASSWORD = "secret",
 ];
 /**
  * Samples for Service ServiceType