if options[:expected_attr] #-a
          expected_attr_name, expected_attr_type, expected_attr_value = options[:expected_attr].split(':')
          if expected_attr_name and expected_attr_type and expected_attr_value
            if options[:expected_exists] and options[:expected_exists] == 'true' #-a Id:S:001 -e true
              opts['Expected'] = { expected_attr_name => { 'Value' => { expected_attr_type => expected_attr_value }, 'Exists' => options[:expected_exists] } }