diff --git a/composer.json b/composer.json
index 5d9b84b..8ca1112 100644
--- a/composer.json
+++ b/composer.json
@@ -25,5 +25,10 @@
     "psr-4": {
       "Behat\\SoapExtension\\": "src/"
     }
+  },
+  "autoload-dev": {
+    "psr-4": {
+      "Behat\\SoapExtension\\Context\\Bootstrap\\": "tests/bootstrap/"
+    }
   }
 }
diff --git a/docs/behat.yml b/docs/behat.yml
index 9c819b9..fbb3fbb 100644
--- a/docs/behat.yml
+++ b/docs/behat.yml
@@ -1,7 +1,15 @@
 default:
+  autoload:
+    'YourCompanyName\CustomFeatureContexts\Bootstrap': %paths.base%/docs/bootstrap
   suites:
     default:
       contexts: {}
+    custom:
+      contexts:
+        - YourCompanyName\CustomFeatureContexts\Bootstrap\ExtendedSoapContext:
+            args:
+              a: "Mountain View"
+              b: "Sunnyvale"
   extensions:
     Behat\SoapExtension:
       # An associative array as second argument for \SoapClient::__soapCall().
diff --git a/docs/bootstrap/ExtendedSoapContext.php b/docs/bootstrap/ExtendedSoapContext.php
new file mode 100644
index 0000000..713fc46
--- /dev/null
+++ b/docs/bootstrap/ExtendedSoapContext.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace YourCompanyName\CustomFeatureContexts\Bootstrap;
+
+use Behat\SoapExtension\Context\SoapContext;
+use PHPUnit_Framework_Assert as Assertions;
+
+/**
+ * Class ExtendedSoapContext
+ *
+ * Don't forget to add it to composer's autoload!
+ *
+ * @package YourCompanyName\CustomFeatureContexts\Bootstrap
+ */
+class ExtendedSoapContext extends SoapContext
+{
+    /**
+     * @var string
+     */
+    private $a;
+
+    /**
+     * @var string
+     */
+    private $b;
+
+    /**
+     * SetUp necessary arguments for custom usage.
+     *
+     * @param array $args
+     */
+    public function __construct(array $args)
+    {
+        $this->a = $args['a'];
+        $this->b = $args['b'];
+    }
+
+    /**
+     * @param string $c
+     *
+     * @Then /^I want to check that "(.*)" equals to A and not B$/
+     */
+    public function iCheckThatValueEqualsToANotB($c)
+    {
+        Assertions::assertEquals($this->a, $c);
+        Assertions::assertNotEquals($this->b, $c);
+    }
+}
diff --git a/docs/features/custom_weather_ws.feature b/docs/features/custom_weather_ws.feature
new file mode 100644
index 0000000..d4b5273
--- /dev/null
+++ b/docs/features/custom_weather_ws.feature
@@ -0,0 +1,10 @@
+Feature: Simple test example
+  As a SOAP Extension user
+  I want to be able to use my own extended SOAPContext
+  So that I can add additional steps that work in conjunction with the basic SOAPContext functionality
+
+  Scenario: WeatherWS SOAP and custom properties test with predefined A and B
+    Given I am working with SOAP service WSDL "http://wsf.cdyne.com/WeatherWS/Weather.asmx?WSDL"
+    And I call SOAP function "GetCityForecastByZIP" with params list:
+      | ZIP | 94040 |
+    And I want to check that "Mountain View" equals to A and not B
diff --git a/src/ServiceContainer/SoapExtension.php b/src/ServiceContainer/SoapExtension.php
index c60404b..15bafc1 100644
--- a/src/ServiceContainer/SoapExtension.php
+++ b/src/ServiceContainer/SoapExtension.php
@@ -4,11 +4,12 @@
  */
 namespace Behat\SoapExtension\ServiceContainer;
 
-use Behat\EnvironmentLoader;
 use Behat\Testwork\ServiceContainer\Extension;
 use Behat\Testwork\ServiceContainer\ExtensionManager;
+use Behat\Behat\Context\ServiceContainer\ContextExtension;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition;
+use Symfony\Component\DependencyInjection\Definition;
 
 /**
  * Class SoapExtension.
@@ -17,6 +18,8 @@
  */
 class SoapExtension implements Extension
 {
+    const SOAP_ID = 'soap.extension';
+
     /**
      * {@inheritdoc}
      */
@@ -37,8 +40,7 @@ public function initialize(ExtensionManager $extensionManager)
      */
     public function load(ContainerBuilder $container, array $config)
     {
-        $loader = new EnvironmentLoader($this, $container, $config);
-        $loader->load();
+        $this->loadContextInitializer($container, $config);
     }
 
     /**
@@ -64,4 +66,17 @@ public function configure(ArrayNodeDefinition $builder)
 
         $config->end();
     }
+
+    /**
+     * Loads context initializer into given Container.
+     *
+     * @param ContainerBuilder $container
+     * @param array $config
+     */
+    private function loadContextInitializer(ContainerBuilder $container, $config)
+    {
+        $definition = new Definition('Behat\SoapExtension\Context\SoapContextInitializer', array($config));
+        $definition->addTag(ContextExtension::INITIALIZER_TAG);
+        $container->setDefinition('soap.context_initializer', $definition);
+    }
 }
diff --git a/tests/behat.yml b/tests/behat.yml
index 9c819b9..360e5f3 100644
--- a/tests/behat.yml
+++ b/tests/behat.yml
@@ -1,7 +1,16 @@
 default:
+  autoload:
+    'Behat\SoapExtension\Context\Bootstrap': %paths.base%/tests/bootstrap
   suites:
     default:
       contexts: {}
+    extended:
+      contexts:
+        - Behat\SoapExtension\Context\Bootstrap\ExtendedSoapContext:
+            args:
+              a: "Mountain View"
+              b: "Sunnyvale"
+
   extensions:
     Behat\SoapExtension:
       # An associative array as second argument for \SoapClient::__soapCall().
diff --git a/tests/bootstrap/ExtendedSoapContext.php b/tests/bootstrap/ExtendedSoapContext.php
new file mode 100644
index 0000000..6df9c84
--- /dev/null
+++ b/tests/bootstrap/ExtendedSoapContext.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace Behat\SoapExtension\Context\Bootstrap;
+
+use Behat\SoapExtension\Context\SoapContext;
+use PHPUnit_Framework_Assert as Assertions;
+
+class ExtendedSoapContext extends SoapContext
+{
+    /**
+     * @var string
+     */
+    private $a;
+
+    /**
+     * @var string
+     */
+    private $b;
+
+    /**
+     * SetUp necessary arguments for custom usage.
+     *
+     * @param array $args
+     */
+    public function __construct(array $args)
+    {
+        $this->a = $args['a'];
+        $this->b = $args['b'];
+    }
+
+    /**
+     * @param string $c
+     *
+     * @Then /^I want to check that "(.*)" equals to A and not B$/
+     */
+    public function iCheckThatValueEqualsToANotB($c)
+    {
+        Assertions::assertEquals($this->a, $c);
+        Assertions::assertNotEquals($this->b, $c);
+    }
+}
diff --git a/tests/features/extended.feature b/tests/features/extended.feature
new file mode 100644
index 0000000..d4b5273
--- /dev/null
+++ b/tests/features/extended.feature
@@ -0,0 +1,10 @@
+Feature: Simple test example
+  As a SOAP Extension user
+  I want to be able to use my own extended SOAPContext
+  So that I can add additional steps that work in conjunction with the basic SOAPContext functionality
+
+  Scenario: WeatherWS SOAP and custom properties test with predefined A and B
+    Given I am working with SOAP service WSDL "http://wsf.cdyne.com/WeatherWS/Weather.asmx?WSDL"
+    And I call SOAP function "GetCityForecastByZIP" with params list:
+      | ZIP | 94040 |
+    And I want to check that "Mountain View" equals to A and not B