Merge pull request #28 from webarchitect609/feature/check_contact_in_…

…list

Add contact in list checking method

src/Snowcap/Emarsys/Client.php

@@ -417,6 +417,19 @@ public function getContactsFromContactList($listId, array $data)
         return $this->send(HttpClient::GET, sprintf('contactlist/%s/contacts', $listId), $data);
     }
 
+    /**
+     * Checks whether a specific contact is included in the defined contact list.
+     *
+     * @param int $contactId
+     * @param int $listId
+     * @return Response
+     * @link http://documentation.emarsys.com/resource/developers/endpoints/contacts/check-a-contact-in-a-contact-list/
+     */
+    public function checkContactInList($contactId, $listId)
+    {
+        return $this->send(HttpClient::GET, sprintf('contactlist/%s/contacts/%s', $listId, $contactId));
+    }
+
     /**
      * Returns a list of emails.
      *