The action attribute describes a user action, via either key combination or mouse.
Anonymous
<userInstructionGroup
instruction="token"
/>
<attribute name="instruction" >
<simpleType>
<restriction base="token">
<enumeration value="click" />
<enumeration value="double-click" />
<enumeration value="other" />
<enumeration value="press" />
<enumeration value="inSequence" />
<enumeration value="simultaneously" />
</restriction>
</simpleType>
</attribute>