<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 <page>Structures/TraceResult</page></arg> <arg name="tool" type="string">The tool mode the player currently has selected.</arg> <arg name="toolname" type="string">The tool mode the player currently has selected.</arg> <arg name="tool" type="table">The tool mode table the player currently has selected.</arg>⤶ <arg name="button" type="number">The tool button pressed.</arg>⤶ </args> <rets> <ret name="" type="boolean">Can use toolgun or not.</ret> </rets> </function> <example> <description>Stops players from removing doors.</description> <code> hook.Add( "CanTool", "CanToolExample", function( ply, tr, toolname, tool, button ) if tool == "remover" and IsValid( tr.Entity ) and tr.Entity:GetClass() == "prop_door_rotating" then if toolname == "remover" and IsValid( tr.Entity ) and tr.Entity:GetClass() == "prop_door_rotating" then return false end end ) </code> </example>