diff --git a/README.md b/README.md
index 946e03e..6ad6895 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,7 @@ $config = array(
     'ShopUrl' => 'yourshop.myshopify.com',
     'ApiKey' => '***YOUR-PRIVATE-API-KEY***',
     'Password' => '***YOUR-PRIVATE-API-PASSWORD***',
+    'AccessToken' => '***YOUR-PRIVATE-API-PASSWORD***', // optional but needed if you want to use graphql
 );
 
 PHPShopify\ShopifySDK::config($config);
diff --git a/tests/GraphQLTest.php b/tests/GraphQLTest.php
new file mode 100644
index 0000000..fcc12c4
--- /dev/null
+++ b/tests/GraphQLTest.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace PHPShopify;
+
+class GraphQLTest extends TestResource
+{
+    /**
+     * GraphQLTest constructor.
+     */
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+    
+    /**
+     * GraphQL Query Test
+     */
+    public function testQuery()
+    {
+        $graphQL = <<<Query
+        query {
+            shop {
+                name
+                primaryDomain {
+                  url
+                  host
+                }
+            }
+        }
+        Query;
+
+        $return = static::$shopify->GraphQL->post($graphQL);
+        
+        $this->assertNotEmpty($return['data']['shop']);
+    }
+
+
+}
diff --git a/tests/TestResource.php b/tests/TestResource.php
index 1c9a268..3fd3b2d 100644
--- a/tests/TestResource.php
+++ b/tests/TestResource.php
@@ -23,6 +23,7 @@ public static function setUpBeforeClass()
             'ShopUrl' => getenv('SHOPIFY_SHOP_URL'), //Your shop URL
             'ApiKey' => getenv('SHOPIFY_API_KEY'), //Your Private API Key
             'Password' => getenv('SHOPIFY_API_PASSWORD'), //Your Private API Password
+            'AccessToken' => getenv('SHOPIFY_API_PASSWORD'), //Your Access Token(Private API Password)
         );
 
         self::$shopify = ShopifySDK::config($config);