- <xsd:attribute name="value-mask-type" type="xsd:string" />
- <xsd:attribute name="value-mask-name" type="xsd:string" />
- <xsd:attribute name="value-list-name" type="xsd:string" />
+ <xsd:attribute name="value-mask-type" type="xsd:string" use="required" />
+ <xsd:attribute name="value-mask-name" type="xsd:string" use="required" />
+ <xsd:attribute name="value-list-name" type="xsd:string" use="required" />