Add support for getting Table select options attribute

Author: Jakub Galiński

src/Api/AttributeApi.php

@@ -39,6 +39,20 @@ public function get(string $code): array
         return $this->resourceClient->getResource(static::ATTRIBUTE_URI, [$code]);
     }
 
+    /**
+     * Get attribute with table select options.
+     * This method is not part of the official API.
+     * It is used to get the table select options of an attribute.
+     *
+     * @param string $code
+     *
+     * @return array
+     */
+    public function getWithTableSelectOptions(string $code): array
+    {
+        return $this->resourceClient->getResource(static::ATTRIBUTE_URI, [$code], ['with_table_select_options' => true]);
+    }
+
     /**
      * {@inheritdoc}
      */