schemaVersion 

The optional schemaVersion attribute gives the version of the schema.
Its allowed values are not defined by this part of ISO/IEC 19757 and its use is
implementation-dependent.

Attribute Information

Used By

Element sch:schema

Source 

<xs:attribute name="schemaVersion" type="sch:non-empty-string">
  <xs:annotation>
    <xs:documentation>The optional schemaVersion attribute gives the version of the schema. Its allowed values are not defined by this part of ISO/IEC 19757 and its use is implementation-dependent.</xs:documentation>
  </xs:annotation>
</xs:attribute>

Sample