By 

In case a distance is expressed in a time related unit, the
corresponding transportation method would usually also be provided. It
corresponds to the by Foot, by Car ... qualification.

Attribute Information

Used By

Complex Type DistanceType

Source 

<xs:attribute name="By" type="TransportationCategoryCodeType" use="optional">
  <xs:annotation>
    <xs:documentation xml:lang="EN">In case a distance is expressed in a time related unit, the corresponding transportation method would usually also be provided. It corresponds to the by Foot, by Car ... qualification.</xs:documentation>
  </xs:annotation>
</xs:attribute>

Sample