X:Steamsteamappscommonleft 4 dead 2left4dead2cfg

make a new file called: autoexec.cfg

And the following into it, can adjust if you want later...  ..when in game use the console and type "exec autoexec.cfg"

bind "F5" "fortspawn_menu" // Fort Spawn Menu
bind "F6" "fortspawn_load"
bind "F7" "fortspawn_save"

bind "-" "fortspawn_move x 10" // Move Object X +10 point
bind "=" "fortspawn_move x -10" // Move Object X -10 point
bind "[" "fortspawn_move y 10" // Move Object Y +10 point
bind "]" "fortspawn_move y -10" // Move Object Y -10 point
bind "uparrow" "fortspawn_move z 10" // Raise Object +10 pt
bind "downarrow" "fortspawn_move z -10" // Lower Object -10 pt

bind "rightarrow" "fortspawn_rotate 15" // Rotate Object Clockwise +15 degrees
bind "leftarrow" "fortspawn_rotate -15" // Rotate Object Anti-Clockwise -15 degrees

bind "Del" "fortspawn_ang 90 -90 90" // Change Orientation x Angle (stand Up)
bind "End" "fortspawn_ang 0 0 0" // Change Orientation x Angle (Lie Down)
bind "pgdn" "fortspawn_ang 90 90 90" // Change Orientation x Angle (Lie Down Flip 180)
bind "Ins" "fortspawn_ang 90 0 90" // Change Orientation y Angle (stand Up)
bind "Home" "fortspawn_ang 0 90 0" // Change Orientation y Angle (Lie Down)
bind "PgUp" "fortspawn_ang -90 0 -90" // Change Orientation y Angle (Lie Down Flip 180)

bind "BackSpace" "fortspawn_remove" // Remove a spawned object

bind "," "fortspawn_item d a modelspropsde_trainchainlinkgate.mdl"
bind "." "fortspawn_item d a modelsprops_buildingsbarn_steps.mdl"
bind "/" "fortspawn_item d a modelsprops_cratesstatic_crate_40.mdl"
bind "'" "fortspawn_item p a modelsprops_junkgascan001a.mdl"