<function name="CanTool" parent="SANDBOX" type="hook"> <ishook>yes</ishook> <description>Called when a player attempts to fire their tool gun. Return true to specifically allow the attempt, false to block it.</description> <realm>Shared</realm> <predicted>Yes</predicted> <args> <arg name="ply" type="Player">The player who attempted to use their toolgun.</arg> <arg name="tr" type="table">A trace from the players eye to where in the world their crosshair/cursor is pointing. See &lt;page&gt;TraceResult&lt;/page&gt;</arg>⤶ <arg name="tr" type="table">A trace from the players eye to where in the world their crosshair/cursor is pointing. See <page>TraceResult</page></arg>⤶ <arg name="tool" type="string">The tool mode the player currently has selected.</arg> </args> <rets> <ret name="" type="boolean">Can use toolgun or not.</ret> </rets> </function> <example> <description>Stops players from removing doors.</description> <code> function GM:CanTool( ply, tr, tool ) if tool == "remover" and IsValid( tr.Entity ) and tr.Entity:GetClass() == "prop_door_rotating" then return false end end </code> </example>