custom_gform_confirmation

function custom_gform_confirmation( $confirmation, $form, $entry, $ajax ) {
  if  (!function_exists('qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage') && !function_exists('qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage')) {
    return $confirmation . "<br> not translated";
  } else {
    $confirmation = function_exists('qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage') ? qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage($confirmation) : qtrans_useCurrentLanguageIfNotFoundUseDefaultLanguage($confirmation);
    return $confirmation . "<br> translated";
  }
}
add_filter( 'gform_confirmation', 'custom_gform_confirmation', 10, 4 );