posInFormation 

needed as reference, if the same vehicle is referenced several times inside a formation

Attribute Information

Used By

Attribute Group rail:aBooking

Source 

<xs:attribute name="posInFormation" type="rail:tPositiveCounter">
  <xs:annotation>
    <xs:documentation>needed as reference, if the same vehicle is referenced several times inside a formation</xs:documentation>
  </xs:annotation>
</xs:attribute>

Sample