<function name="IsMouseDown" parent="input" type="libraryfunc"> <description>Gets whether a mouse button is down</description> <realm>Client and Menu</realm> <args> <arg name="mouseKey" type="number">The key, see &lt;page&gt;MOUSE&lt;/page&gt;</arg>⤶ <arg name="mouseKey" type="number">The key, see <page>MOUSE</page></arg>⤶ </args> <rets> <ret name="" type="boolean">Is the key down</ret> </rets> </function>