rail:formation 

data for train composition or vehicle formation

http://wiki.railml.org/index.php?title=RS:formation

Element Information

Model

rail:additionalName* , ANY element from ANY namespace OTHER than 'http://www.railml.org/schemas/2016' , rail:trainOrder{0,1} , rail:categoryRef* , rail:trainEngine{0,1} , rail:trainBrakes{0,1} , rail:trainResistance{0,1}
Children: rail:additionalName, rail:categoryRef, rail:trainBrakes, rail:trainEngine, rail:trainOrder, rail:trainResistance

Attributes

QName Type Fixed Default Use Inheritable Annotation
bruttoWeight rail:tWeightTons optional 
gross weight (vehicles plus payload) in metrical tons of the entire formation (shall be in accordance with the sum of single vehicles)
code rail:tGenericName optional 
for typical, specific abbreviations, used in different systems with the same understanding
description rail:tElementDescription optional 
should be interpreted in its elements' context, substantiates the name
formationCount rail:tCounter optional 
number of similar formations forming that train
id rail:tGenericID required 
XML-file-wide unique identity is required for later referencing that element
length rail:tLengthM optional 
entire length of the formation (shall be in accordance with the sum of single vehicles)
name rail:tGenericName optional 
should be interpreted in its elements' context (e.g. track/name, vehicle/name)
nettoWeight rail:tWeightTons optional 
net weight (payload only) in metrical tons of the entire formation (shall be in accordance with the sum of single vehicles)
speed rail:tSpeedKmPerHour optional 
allowed maximum speed for the entire formation (shall be in accordance with single vehicle speed values)
tareWeight rail:tWeightTons optional 
tare weight (empty vehicles) in metrical tons of the entire formation (shall be in accordance with the sum of single vehicles)
weight rail:tWeightTons optional 
DEPRECATED: weight in metrical tons of the entire formation (shall be in accordance with the sum of single vehicles)
xml:lang xs:language optional 
In due course, we should install the relevant ISO 2- and 3-letter
codes as the enumerated possible values . . .
Wildcard: ANY attribute from ANY namespace OTHER than 'http://www.railml.org/schemas/2016'

Source 

<xs:element name="formation" type="rail:eFormation" maxOccurs="unbounded">
  <xs:annotation>
    <xs:documentation>data for train composition or vehicle formation</xs:documentation>
    <xs:documentation source="http://wiki.railml.org/index.php?title=RS:formation"/>
  </xs:annotation>
</xs:element>

Sample