<function name="Register" parent="numpad" type="libraryfunc"> <description>Registers a numpad library action for use with <page>numpad.OnDown</page> and <page>numpad.OnUp</page></description> <realm>Server</realm> <args> <arg name="id" type="string">The unique id of your action.</arg> <arg name="func" type="function">The function to be executed.&#xA;&#xA;Arguments are:&amp;amp;lt;br&amp;amp;gt;&#xA;&lt;page&gt;Player&lt;/page&gt; ply - The player who pressed the button&amp;amp;lt;br&amp;amp;gt;&#xA;&lt;page&gt;vararg&lt;/page&gt; ... - The 4th and all subsequent arguments passed from &lt;page&gt;numpad.OnDown and/or {{LibraryFunction|numpad|OnUp&lt;/page&gt;&amp;amp;lt;br&amp;amp;gt;&#xA;&amp;amp;lt;br&amp;amp;gt;&#xA;&#xA;Returning **false** in this function will remove the listener which triggered this function (example: return false if one of your varargs is an entity which is no longer valid)</arg>⤶ <arg name="func" type="function">The function to be executed.⤶ ⤶ Arguments are:⤶ ⤶ <page>Player</page> ply - The player who pressed the button⤶ ⤶ <page>vararg</page> ... - The 4th and all subsequent arguments passed from <page>numpad.OnDown</page> and/or <page>numpad.OnUp</page>⤶ ⤶ Returning **false** in this function will remove the listener which triggered this function (example: return false if one of your varargs is an entity which is no longer valid)</arg>⤶ </args> </function>