function attach_file($file_path)
{
try {
$base64 = HelperFunctions::convert_to_base64($file_path);
$payload = array('doc' => array('attachment' => $base64));
$path = $this->create_user_path($this->client->user_id);
$response = $this->client->patch($path, $payload);
} catch (Exception $e) {
$response = array('success' => false, 'error' => array('en' => $e->getMessage()));
}
return $response;
}
