QuantityGroup 

xxxuse in the elements Groups all attributes qualifying quantities
(values, min, max, ...)

Attribute Group Information

Attributes

QName Type Fixed Default Use Inheritable Annotation
Default DefaultType optional 
If specified, this value corresponds to the default/optimum number
of units (default number of passengers in a Vehicle, default occupancy in a
room, ...)

Used By

Attribute Group MinMaxGroup

Source 

<xs:attributeGroup name="QuantityGroup">
  <xs:annotation>
    <xs:documentation>xxxuse in the elements Groups all attributes qualifying quantities (values, min, max, ...)</xs:documentation>
  </xs:annotation>
  <xs:attribute name="Default" type="DefaultType" use="optional">
    <xs:annotation>
      <xs:documentation>If specified, this value corresponds to the default/optimum number of units (default number of passengers in a Vehicle, default occupancy in a room, ...)</xs:documentation>
    </xs:annotation>
  </xs:attribute>
</xs:attributeGroup>