xlink:actuate

<attribute name="actuate">
  <simpleType>
    <annotation>
      <documentation>Enumeration of values for the actuate attribute</documentation>
    </annotation>
    <restriction base="string">
      <enumeration value="onLoad"/>
      <enumeration value="onRequest"/>
      <enumeration value="other"/>
      <enumeration value="none"/>
    </restriction>
  </simpleType>
</attribute>