Piwik\Plugins\ExampleSettingsPlugin\SystemSettings::createPasswordSetting PHP Метод

    private function createPasswordSetting()
    {
        return $this->makeSetting('password', $default = null, FieldConfig::TYPE_STRING, function (FieldConfig $field) {
            $field->title = 'API password';
            $field->uiControl = FieldConfig::UI_CONTROL_PASSWORD;
            $field->description = 'Password for the 3rd API where we fetch the value';
            $field->transform = function ($value) {
                return sha1($value . 'salt');
            };
        });
    }