diff --git a/src/Resource/Source.php b/src/Resource/Source.php
index <HASH>..<HASH> 100644
--- a/src/Resource/Source.php
+++ b/src/Resource/Source.php
@@ -13,4 +13,94 @@ use Nails\Common\Resource;
 
 class Source extends Resource
 {
+    /**
+     * The ID of the source
+     *
+     * @var int
+     */
+    public $id;
+
+    /**
+     * The source's customer ID
+     *
+     * @var int
+     */
+    public $customer_id;
+
+    /**
+     * Which driver is responsible for the source
+     *
+     * @var string
+     */
+    public $driver;
+
+    /**
+     * Any data required by the driver
+     *
+     * @var string
+     */
+    public $data;
+
+    /**
+     * The source's label
+     *
+     * @var string
+     */
+    public $label;
+
+    /**
+     * The source's brand
+     *
+     * @var string
+     */
+    public $brand;
+
+    /**
+     * The source's last four digits
+     *
+     * @var string
+     */
+    public $last_four;
+
+    /**
+     * The source's expiry date
+     *
+     * @var string
+     */
+    public $expiry;
+
+    /**
+     * Whether the source is the default for the customer or not
+     *
+     * @var bool
+     */
+    public $is_default;
+
+    /**
+     * The source's creation date
+     *
+     * @var string
+     */
+    public $created;
+
+    /**
+     * The source's creator's ID
+     *
+     * @var string
+     */
+    public $created_by;
+
+    /**
+     * The source's modification date
+     *
+     * @var string
+     */
+    public $modified;
+
+    /**
+     * The source's modifier's ID
+     *
+     * @var string
+     */
+    public $modified_by;
 }
Adds field information to the Source Resource