diff --git a/DependencyInjection/BeSimpleSoapExtension.php b/DependencyInjection/BeSimpleSoapExtension.php
index e7ca025..7e260ab 100644
--- a/DependencyInjection/BeSimpleSoapExtension.php
+++ b/DependencyInjection/BeSimpleSoapExtension.php
@@ -60,8 +60,8 @@ class BeSimpleSoapExtension extends Extension
 
         $options = $container
             ->getDefinition('besimple.soap.context.'.$bindingSuffix)
-            ->getArgument(7);
+            ->getArgument(4);
 
-        $definition->replaceArgument(7, array_merge($options, $config));
+        $definition->replaceArgument(4, array_merge($options, $config));
     }
 }
diff --git a/Resources/config/webservice.xml b/Resources/config/webservice.xml
index 0722411..045039b 100644
--- a/Resources/config/webservice.xml
+++ b/Resources/config/webservice.xml
@@ -6,7 +6,7 @@
     <parameters>
         <parameter key="besimple.soap.context.class">BeSimple\SoapBundle\WebServiceContext</parameter>
         <parameter key="besimple.soap.cache_dir">%kernel.cache_dir%/webservice</parameter>
-        <parameter key="besimple.soap.binder.request.header.rpcliteral.class">BeSimple\SoapBundle\ServiceBinding\RpcLiteralRequestHeaderMessageBinder</parameter>
+        <parameter key="besimple.soap.binder.request_header.rpcliteral.class">BeSimple\SoapBundle\ServiceBinding\RpcLiteralRequestHeaderMessageBinder</parameter>
         <parameter key="besimple.soap.binder.request.rpcliteral.class">BeSimple\SoapBundle\ServiceBinding\RpcLiteralRequestMessageBinder</parameter>
         <parameter key="besimple.soap.binder.response.rpcliteral.class">BeSimple\SoapBundle\ServiceBinding\RpcLiteralResponseMessageBinder</parameter>
         <parameter key="besimple.soap.binder.request.documentwrapped.class">BeSimple\SoapBundle\ServiceBinding\DocumentLiteralWrappedRequestMessageBinder</parameter>
@@ -20,40 +20,31 @@
         <service id="besimple.soap.context.rpcliteral" class="%besimple.soap.context.class%" abstract="true">
             <argument type="service" id="besimple.soap.definition.loader" />
             <argument type="service" id="besimple.soap.definition.dumper.wsdl.rpcliteral" />
-            <argument type="service" id="besimple.soap.binder.request.header.rpcliteral" />
-            <argument type="service" id="besimple.soap.binder.request.rpcliteral" />
-            <argument type="service" id="besimple.soap.binder.response.rpcliteral" />
             <argument type="service" id="besimple.soap.type.repository" />
             <argument type="service" id="besimple.soap.converter.repository" />
             <argument type="collection">
                 <argument key="cache_dir">%besimple.soap.cache_dir%</argument>
                 <argument key="debug">%kernel.debug%</argument>
+                <argument key="binder_request_header_class">%%besimple.soap.binder.request_header.rpcliteral.class%%</argument>
+                <argument key="binder_request_class">%besimple.soap.binder.request.rpcliteral.class%</argument>
+                <argument key="binder_response_class">%besimple.soap.binder.response.rpcliteral.class%</argument>
             </argument>
         </service>
 
         <service id="besimple.soap.context.documentwrapped" class="%besimple.soap.context.class%" abstract="true">
             <argument type="service" id="besimple.soap.definition.loader" />
             <argument type="service" id="besimple.soap.definition.dumper.wsdl.documentwrapped" />
-            <argument type="service" id="besimple.soap.binder.request.header.documentwrapped" />
-            <argument type="service" id="besimple.soap.binder.request.documentwrapped" />
-            <argument type="service" id="besimple.soap.binder.response.documentwrapped" />
             <argument type="service" id="besimple.soap.type.repository" />
             <argument type="service" id="besimple.soap.converter.repository" />
             <argument type="collection">
                 <argument key="cache_dir">%besimple.soap.cache_dir%</argument>
                 <argument key="debug">%kernel.debug%</argument>
+                <argument key="binder_request_header_class">%%besimple.soap.binder.request_header.documentwrapped.class%%</argument>
+                <argument key="binder_request_class">%besimple.soap.binder.request.documentwrapped.class%</argument>
+                <argument key="binder_response_class">%besimple.soap.binder.response.documentwrapped.class%</argument>
             </argument>
         </service>
 
-        <service id="besimple.soap.binder.request.header.rpcliteral" class="%besimple.soap.binder.request.header.rpcliteral.class%" />
-        <service id="besimple.soap.binder.request.rpcliteral" class="%besimple.soap.binder.request.rpcliteral.class%" />
-
-        <service id="besimple.soap.binder.response.rpcliteral" class="%besimple.soap.binder.response.rpcliteral.class%" />
-
-        <service id="besimple.soap.binder.request.documentwrapped" class="%besimple.soap.binder.request.documentwrapped.class%" />
-
-        <service id="besimple.soap.binder.response.documentwrapped" class="%besimple.soap.binder.response.documentwrapped.class%" />
-
         <service id="besimple.soap.definition.dumper.wsdl.rpcliteral" class="%besimple.soap.definition.dumper.wsdl.rpcliteral.class%">
             <argument type="service" id="besimple.soap.definition.loader.annot_complextype" />
         </service>
diff --git a/Resources/doc/tutorial/array.rst b/Resources/doc/tutorial/array.rst
index 32b28ff..7972624 100644
--- a/Resources/doc/tutorial/array.rst
+++ b/Resources/doc/tutorial/array.rst
@@ -15,12 +15,12 @@ Controller
     class DemoController extends ContainerAware
     {
         /**
-         * @Soap\Method("isString")
-         * @Soap\Param("strings", phpType = "string[]")
-         * @Soap\Result(phpType = "boolean")
+         * @Soap\Method("hello")
+         * @Soap\Param("names", phpType = "string[]")
+         * @Soap\Result(phpType = "string")
          */
-        public function helloAction(array $strings)
+        public function helloAction(array $names)
         {
-            return new SoapResponse(true);
+            return new SoapResponse("Hello ".implode(', ', $names));
         }
     }
\ No newline at end of file
diff --git a/WebServiceContext.php b/WebServiceContext.php
index c676a45..d43c3ac 100644
--- a/WebServiceContext.php
+++ b/WebServiceContext.php
@@ -27,9 +27,6 @@ use Symfony\Component\Config\Loader\LoaderInterface;
  */
 class WebServiceContext
 {
-    private $requestHeaderMessageBinder;
-    private $requestMessageBinder;
-    private $responseMessageBinder;
     private $typeRepository;
     private $converterRepository;
 
@@ -41,14 +38,10 @@ class WebServiceContext
     private $serviceBinder;
     private $serverFactory;
 
-    public function __construct(LoaderInterface $loader, DumperInterface $dumper, MessageBinderInterface $requestHeaderMessageBinder, MessageBinderInterface $requestMessageBinder, MessageBinderInterface $responseMessageBinder, TypeRepository $typeRepository, ConverterRepository $converterRepository, array $options) {
+    public function __construct(LoaderInterface $loader, DumperInterface $dumper, TypeRepository $typeRepository, ConverterRepository $converterRepository, array $options) {
         $this->loader         = $loader;
         $this->wsdlFileDumper = $dumper;
 
-        $this->requestHeaderMessageBinder  = $requestHeaderMessageBinder;
-        $this->requestMessageBinder        = $requestMessageBinder;
-        $this->responseMessageBinder       = $responseMessageBinder;
-
         $this->typeRepository      = $typeRepository;
         $this->converterRepository = $converterRepository;
 
@@ -92,7 +85,12 @@ class WebServiceContext
     public function getServiceBinder()
     {
         if (null === $this->serviceBinder) {
-            $this->serviceBinder = new ServiceBinder($this->getServiceDefinition(), $this->requestHeaderMessageBinder, $this->requestMessageBinder, $this->responseMessageBinder);
+            $this->serviceBinder = new ServiceBinder(
+                $this->getServiceDefinition(),
+                new $this->options['binder_request_header_class'](),
+                new $this->options['binder_request_class'](),
+                new $this->options['binder_response_class']()
+            );
         }
 
         return $this->serviceBinder;