constraint 

<h:div class="summary">Constraint on a parameter.</h:div>
<h:div class="description">Semantics not yet finalised. We anticipate "fixed", "none" and symbolic relationships to other parameters.</h:div>

Attribute Information

Used By

Attribute Group constraint

Source 

<xsd:attribute name="constraint" id="att.constraint" type="xsd:string">
  <xsd:annotation>
    <xsd:documentation>
      <h:div class="summary">Constraint on a parameter.</h:div>
      <h:div class="description">Semantics not yet finalised. We anticipate "fixed", "none" and symbolic relationships to other parameters.</h:div>
    </xsd:documentation>
  </xsd:annotation>
</xsd:attribute>

Sample