code: def render_template(self, template_parameters, template_id):
          
          route_values = {}
          if template_id is not None:
              route_values['templateId'] = self._serialize.url('template_id', template_id, 'str')
          content = self._serialize.body(template_parameters, 'TemplateParameters')
          response = self._send(http_method='POST',
                                location_id='eb5d6d1d-98a2-4bbd-9028-f9a6b2d66515',
                                version='5.1-preview.1',
                                route_values=route_values,
                                content=content)
          return self._deserialize('Template', response)
docs: RenderTemplate.
          [Preview API]
          :param :class:`<TemplateParameters> <azure.devops.v5_1.cix.models.TemplateParameters>` template_parameters:
          :param str template_id:
          :rtype: :class:`<Template> <azure.devops.v5_1.cix.models.Template>`