# File lib/deltacloud/drivers/rhevm/rhevm_client.rb, line 122
    def capability?(name)
      headers = {
        :content_type => 'application/xml',
        :accept => 'application/xml'
      }
      headers.merge!(auth_header)
      result_xml = Nokogiri::XML(RHEVM::client(@api_entrypoint)["/capabilities"].get(headers))
      !(result_xml/"/capabilities/version/custom_properties/custom_property[@name='#{name}']").empty?
    end