info_game_event_proxy
 Class hierarchy
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| CInfoGameEventProxy |
info_game_event_proxy is a point entity available in all 
Source games since 
Left 4 Dead.
It is an entity that triggers a game event (for example show a hint).
Note:Whenever a hint is shown to the player, a count of how many times the player was notified is recorded in the save/game_instructor_counts.txt file which is found in the Left 4 Dead save folder. After a certain threshold, certain tips will no longer show up, possibly depending on how many success entries. If you want hints to begin showing up again, open your game_instructor_counts.txt file and delete the corresponding thread, or load up the game and enter gameinstructor_reset_counts in the console(the latter will reset all of the instructor lessons.)Keyvalues
- Name
(targetname)<string> - The name that other entities refer to this entity by, via Inputs/Outputs or other keyvalues (e.g.
parentnameortarget).
Also displayed in Hammer's 2D views and Entity Report.See also: Generic Keyvalues, Inputs and Outputs available to all entities
- Event Name
(event_name)<string> - The event to trigger by name from modevents.res
- Range (in feet)
(range)<float> - Distance that the player must be before the event is generated.
- Start Disabled
(StartDisabled)<boolean> - Stay dormant until activated (with the
Enableinput).
Flags
Automatically detect visibility : [1]
Fire Automatically When First Seen : [1]
(only in 
)
Inputs
GenerateGameEvent- Generate the event on input. (This entity is sent as the SUBJECT)
EnableDisable:
Enable / Disable- Enable/disable this entity from performing its task. It might also disappear from view.
List of events used in Left 4 Dead 2 official maps
| Event | Explain description |
|---|---|
| explain_junkyard_fuel | Pump fuel to start the crane... Be ready to fight the horde |
| explain_gas_can_panic | Destroy the barricade... |
| explain_save_items | You may want to save some items for the return trip |
| explain_return_item | Deliver the cola to the gun shop owner |
| explain_carousel_button | Turn on the power to open the gate Run to the control booth to shut down the carousel |
| explain_train_lever | Hit the bridge with the decoupled train car... |
| explain_float | Move the float |
| explain_sewer_run | Run to the saferoom! Keep moving! |
| explain_shack_button | Lower the bridge Be ready to fight the horde |
| explain_gun_shop | Talk to the gun shop owner |
| c1m4_scavenge_instructions | |
| explain_radio | Summon a rescue |
| gameinstructor_draw | |
| explain_panic_button | Flip the door switch... |
| explain_van_panic | Start the van to clear a path... |
| explain_pre_radio | Answer the radio |
| strongman_bell_knocked_off | |
| explain_c1m4_finale | You'll need to fill the car with gas |
| explain_bridge | Close the floodgate to make a bridge... |
| explain_sewer_gate | Run to the saferoom! Keep moving! |
| explain_start_generator | Start the generators to lower the bridge... Be ready to fight! |
| explain_perimeter | Alarm will sound when perimeter is breached |
| explain_DLC3barrels | Shoot the barrels! Be ready to fight the horde |
| explain_scavenge_goal | Collect gas cans and pour them into the generator... |
| explain_coaster_stop | Deactivate the ride to stop the alarm |
| explain_disturbance | Watch out! Some cars can set off alarms... |
| explain_vehicle_arrival | Hurry to the rescue vehicle! |
| explain_elevator_button | Call the elevator... |
| explain_survival_radio | Use the radio... Be ready to fight the horde |
| explain_DLC3lift_lever | |
| explain_survival_generic | Press the button... Be ready to fight the horde |
| explain_decon | Release door to exit the trailer |
| explain_lighthouse_generator | Start the generator... Be ready to fight the horde |
| temp_c4m3_return_to_boat | You got the fuel — Return to the boat |
| explain_mall_alarm | Deactivate the alarm on the third floor |
| explain_scavenge_leave_area | Leaving this area will start the round |
| explain_drawbridge | Press the button to lower the drawbridge |
| success_checkpoint_button_used | |
| explain_bridge_button | Press the button to raise the bridge... Be ready to fight the horde |
| explain_container_drop | Run through the fallen container! |
| explain_restart_generator | One person needs to restart the generator... Looks like a one way trip! |
| started_pre_radio | |
| explain_store_alarm | Open the store door... |
| stashwhacker_game_won | |
| explain_lighthouse_finale_event | You'll need to fill the generator with gas Step 1: Find a gas can Step 2: Bring the gas can to the generator |
| explain_burger_sign | Signal the boat with the Burger Tank sign |
| explain_train_exit | Exterminate the Tank! |
| explain_coaster | Power up the coaster to start the ride |
| explain_mall_window | Shoot out the store window |
| explain_c6m3_finale | You'll need to fill the generator with gas Step 1: Find a gas can Step 2: Bring the gas can to the generator |
| explain_hatch_button | Open the hatch Be ready to fight the horde |
| explain_c3m4_radio1 | Call for a boat rescue |
| explain_DLC3door | Open the door. Be ready to fight the horde |
| explain_container_ready | Use the lever to release the container! |
| explain_stage_finale_start | Begin the rock concert to signal the chopper |
| explain_hotel_elevator_doors | Pry open the doors to escape... |
| explain_ferry_button | Call the ferry Be ready to fight the horde |
| explain_gates_are_open | The gates are open, run for the safe room! |
| explain_DLC3radio | Call the helicopter. |
| explain_DLC3howitzer | Fire the Howitzer. Be ready to fight the horde |
| explain_impound_lot | Watch your fire! Car alarms everywhere! |
| explain_deactivate_alarm | Deactivate the alarm to open the exit doors |
| explain_store_item | Retrieve the cola inside the store |
| explain_survival_alarm | Activate the alarm... Be ready to fight the horde |
| explain_c3m4_rescue | The rescue boat has arrived, get on board! |
| explain_lift_button | Start the lift... |
| explain_survival_carousel | Turn on the power to open the gate Be ready to fight the horde |
| explain_DLC3repair_generator | |
| explain_emergency_door | Open the emergency door... |
| explain_pre_drawbridge | Use the radio to call for help |
| explain_decon_wait | Close the door when everyone is in the trailer |
| waiting_checkpoint_button_used | Wait for everyone to be ready first |
| explain_stage_survival_start | Begin the rock concert... |
| explain_church_door | Tell him to let you in the safe room... |
| explain_c3m4_radio2 | Respond to Virgil |
| explain_DLC3generator_button | |
| explain_gun_shop_tanker | Whitaker will destroy this tanker and clear the path |
| explain_crane | Use the lever to lower the crane... |
| explain_c2m4_ticketbooth | Press the button to open the gates |
| temp_c4m1_getgas | Go get fuel and return to the boat |
| explain_stage_lighting | Prepare the stage lighting |
| explain_mainstreet | Lower the forklift to make a ramp... |
| explain_store_item_stop | |
| gameinstructor_nodraw | |
| explain_train_boss | Open the train car door... Be ready to fight the Tank! |
| explain_onslaught | Fight your way to the safe room! |
| explain_carousel_destination | Shut down the carousel |
