diff --git a/UnitTestFiles/Test/OrderTests.php b/UnitTestFiles/Test/OrderTests.php
index 178508a..bebae13 100644
--- a/UnitTestFiles/Test/OrderTests.php
+++ b/UnitTestFiles/Test/OrderTests.php
@@ -111,6 +111,7 @@ public function testFromArray()
                     'name'      => 'Bill Soul',
                 ],
             ],
+            'EXT_FIELD_cost'            => 50
         ]);
 
         $this->assertEquals('1358 E Luzerne St, Philadelphia, PA 19124, US', $orderParameters->address_1);
@@ -129,6 +130,7 @@ public function testFromArray()
                 'name'      => 'Bill Soul',
             ],
         ], $orderParameters->EXT_FIELD_custom_data);
+        $this->assertEquals(50, $orderParameters->EXT_FIELD_cost);
     }
 
     public function testToArray()
@@ -152,21 +154,24 @@ public function testToArray()
             ],
         ]);
 
-        $this->assertEquals($orderParameters->toArray(), [
-            'address_1'                 => '1358 E Luzerne St, Philadelphia, PA 19124, US',
-            'cached_lat'                => 48.335991,
-            'cached_lng'                => 31.18287,
-            'address_alias'             => 'Auto test address',
-            'address_city'              => 'Philadelphia',
-            'day_scheduled_for_YYMMDD'  => date('Y-m-d'),
-            'EXT_FIELD_first_name'      => 'Igor',
-            'EXT_FIELD_last_name'       => 'Progman',
-            'EXT_FIELD_email'           => 'progman@gmail.com',
-            'EXT_FIELD_phone'           => '380380380380',
-            'EXT_FIELD_custom_data'     => [
-                0 => [
-                    'order_id'  => '10',
-                    'name'      => 'Bill Soul',
+        $this->assertEquals(
+            $orderParameters->toArray(),
+            [
+                'address_1'                 => '1358 E Luzerne St, Philadelphia, PA 19124, US',
+                'cached_lat'                => 48.335991,
+                'cached_lng'                => 31.18287,
+                'address_alias'             => 'Auto test address',
+                'address_city'              => 'Philadelphia',
+                'day_scheduled_for_YYMMDD'  => date('Y-m-d'),
+                'EXT_FIELD_first_name'      => 'Igor',
+                'EXT_FIELD_last_name'       => 'Progman',
+                'EXT_FIELD_email'           => 'progman@gmail.com',
+                'EXT_FIELD_phone'           => '380380380380',
+                'EXT_FIELD_custom_data'     => [
+                    0 => [
+                        'order_id'  => '10',
+                        'name'      => 'Bill Soul',
+                    ],
                 ],
             ],
         ]);
@@ -502,7 +507,9 @@ public function testUpdateOrder()
         $this->assertEquals('Lviv', $response['address_2']);
         $this->assertEquals('032268593', $response['EXT_FIELD_phone']);
         $this->assertEquals(
-            [0 => '{"order_id":"10","name":"Bill Soul"}'],
+            [
+                0 => '{"order_id":"10","name":"Bill Soul"}'
+            ],
             $response['EXT_FIELD_custom_data']
         );
     }
diff --git a/composer.json b/composer.json
index 49fc87d..6aeed78 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
   "name": "route4me/route4me-php",
   "description": "Access Route4Me's logistics-as-a-service API using our PHP SDK",
   "minimum-stability": "stable",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "authors": [
     {
     "name": "Igor Route4Me",
diff --git a/examples/Order/NewOrderWithEXTFields.php b/examples/Order/NewOrderWithEXTFields.php
new file mode 100644
index 0000000..65bdbb2
--- /dev/null
+++ b/examples/Order/NewOrderWithEXTFields.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace Route4Me;
+
+$root = realpath(dirname(__FILE__).'/../../');
+require $root.'/vendor/autoload.php';
+
+// Example refers to creating a new Order.
+
+// Set the api key in the Route4me class
+// This example not available for demo API key
+Route4Me::setApiKey(Constants::API_KEY);
+
+$orderParameters = Order::fromArray([
+    'address_1'                 => '1358 E Luzerne St, Philadelphia, PA 19124, US',
+    'cached_lat'                => 48.335991,
+    'cached_lng'                => 31.18287,
+    'address_alias'             => 'Auto test address',
+    'address_city'              => 'Philadelphia',
+    'day_scheduled_for_YYMMDD'  => date('Y-m-d'),
+    'EXT_FIELD_first_name'      => 'Igor',
+    'EXT_FIELD_last_name'       => 'Progman',
+    'EXT_FIELD_email'           => 'progman@gmail.com',
+    'EXT_FIELD_phone'           => '380380380380',
+    'EXT_FIELD_weight'          => 100.0,
+    'EXT_FIELD_cost'            => 50,
+    'EXT_FIELD_revenue'         => 150,
+    'EXT_FIELD_cube'            => 5,
+    'EXT_FIELD_pieces'          => 10
+]);
+
+$order = new Order();
+
+$response = $order->addOrder($orderParameters);
+
+Route4Me::simplePrint($response);
diff --git a/src/Route4Me/Order.php b/src/Route4Me/Order.php
index 7f31ba0..a48bce0 100644
--- a/src/Route4Me/Order.php
+++ b/src/Route4Me/Order.php
@@ -63,6 +63,36 @@ class Order extends Common
 
     public $addresses = [];
 
+    /**
+     * Weight of the order.
+     * @since 1.2.11
+     */
+    public $EXT_FIELD_weight;
+
+    /**
+     * Cost of the order.
+     * @since 1.2.11
+     */
+    public $EXT_FIELD_cost;
+
+    /**
+     * The total revenue for the order.
+     * @since 1.2.11
+     */
+    public $EXT_FIELD_revenue;
+
+    /**
+     * The cubic volume of the cargo.
+     * @since 1.2.11
+     */
+    public $EXT_FIELD_cube;
+
+    /**
+     *The item quantity of the cargo.
+     * @since 1.2.11
+     */
+    public $EXT_FIELD_pieces;
+
     public function __construct()
     {
         Route4Me::setBaseUrl(Endpoint::BASE_URL);