def get_param_text(self, nid):
        """
        Get a list of parameters as text values for a given node id.

        :param nid: id to look for.
        :return:
        """
        r = []
        params = self.parameters.xpath('.//param[@ref-id="{}"]'.format(nid))
        if not params:
            return r
        for param in params:
            vnode = param.find('value')
            s = 'Parameter: {}, type:{}, value: {}'.format(param.attrib.get('name'),
                                                           vnode.attrib.get('type'),
                                                           param.findtext('value', default='No Value'))
            r.append(s)
        return r
Get a list of parameters as text values for a given node id.

        :param nid: id to look for.
        :return: