Triggers

Triggers are an integral part of anything but the most basic of User Missions. This article cover the basic operation of triggers and what each available component does.

Overview

Triggers are a feature of the Mission Editor which allow for vastly more complicated missions to be be created, they can used for scripted events, as well as for enabling more advanced mission features such as capture points, spawn points, visible way-points, and much more. As well as being useful for making more advanced single player missions an understanding of triggers is a necessity for creating multi-player user missions, as such missions require triggers in order to function.

Triggers consist of three main components (also known as elements): Events, Conditions, and Actions. An event is what causes the trigger to executed, for example the "periodicEvent" event will execute the trigger once every user defined period of time (for example once a second, or once every 15 seconds). Once a trigger is executed a condition determines whether the trigger should continue on to carry out the actions assigned to it, or should not do anything / carry out any else actions assigned to it; for example the "UnitInArea" condition will carry out the triggers actions if the specified unit is within the specified area at the moment the trigger is executed. Finally actions define what the trigger actually does once it is executed and the condition is met; for example "playHint" displays a message on the user's screen and "unitDamage" can be used to damage part of, or completely destroy a unit. Actions can also can also be assigned as "elseActions" which instead of being carried out when the condition is met, will be carried out when the trigger is executed, but the condition is not met. If there are no elseActions then the trigger will do nothing when the condition is not met. Triggers can be assigned multiple event, conditions and actions. If a trigger is created with no conditions then it will carry out its actions whenever it is executed, this is useful for triggers which always need to run, for example a trigger to draw various lines on the mini-map at the start of the mission. Be aware that if a trigger is created without conditions and "enableAfterComplete" is ticked then the trigger will run for ever, repeatedly every time tis event occurs (for a default trigger this means it would carry out its actions once a second, every second for the entirety of the mission, unless it is disabled by another trigger).

Creating Triggers

The Basics

The trigger window with a blank trigger (Trigger_01 selected), other triggers and categories are for demonstration purposes

In order to make a trigger you first need to display the trigger window in the mission editor, this can be done by clicking the "Properties and Triggers / Mission Obj. info" button (looks like ) on the mission editor bar at the top of the editor. This will open the "Triggers / Mission Obj. Info" window (from here on known as the "trigger window") at the right hand edge of your screen, this window is where you can edit triggers and mission objectives (for the time being it will be blank). Now in the properties window (where your mission settings are) scroll down until you reach the Triggers / Mission Ob. Navigation section and expand it if necessary.

This window is where all the triggers and objectives of your mission will be stored, organized under the (currently empty) "Triggers" and "Mission Objectives" folders. There are a number of buttons at the bottom of this section:

Trigger This button will create a new trigger, either inside the root "Triggers" folder inside the currently selected category.

Category This button will create a new category, either inside the root "Triggers" folder inside the currently selected category. Categories are essentially folders for triggers, functionally they serve no purpose to the mission and exist in order to allow you to organise your triggers. Categories can be created inside other categories and form folder trees which can be collapsed in order to hide triggers not currently of interest (collapsing categories will not disable or remove their contents). If a category is disabled all of its contents (including stuff in sub-categories) will be disabled.

Mission Obj This button will create a mission objective in the "Mission Objectives" folder. Mission objectives are described in other guides.

Copy and Paste The Copy button will copy the selected trigger of mission objective. If a mission objective is selected and the copy button is pressed then a duplicate mission objective will be created. If a trigger is selected when the copy button is pressed then the Paste button will become available this allows you to select a different category for the trigger to be pasted into, once the destination is selected pressing the Paste button will create a duplicate of the copied trigger there.

Del This button will delete the selected trigger or mission objective.

Up and Down These buttons will move the selected trigger, category or mission objective up or down in the list, this has no effect on the operation of the mission and is used in order to keep the lists organised.

In order to create your first trigger click the "Trigger" button, this will create your first trigger "Trigger_01" and display it in the trigger window. What you see will look similar to the image to the right (you will only have "Trigger_01" whereas the image has several other triggers, categories and objectives for demonstration purposes). At the top of the window is the triggers name, this can be changed to whatever you want (however should not the the same as any other triggers), it is best to pick a descriptive name such as "Setup" or "Teleport Player" to keep it clear what everything does, however this is completely optional. The next option is an "Enabled" check box by default all triggers start enabled, disabling a trigger effective stops it's event from functioning so it will never be executed; triggers can be enabled and disabled during the mission by other triggers. The next field is a comments box, this has no effect on the trigger's operation and is just for documenting what it does, it is completely optional.

Next is the trigger properties section this contains the following fields:

actionsType By default this is set to "PERFORM_ONE_BY_ONE" meaning the actions will be completed in the order they are present in the actions list of the trigger. This option can be changed to "PERFORM_ALL" where all actions are completed at the same time.

conditionsType By default this is set to "ALL", but can be changed to "ANY". For triggers with multiple conditions this determines whether all of the conditions need to be met in order for the trigger to carry out its actions, or if any of the conditions being me is enough for the trigger to carry out it's action.

enableAfterComplete By default this is set unchecked, meaning that once the trigger has carried out its actions it becomes disabled, if it is checked then the trigger will carry out its actions every time it is executed and the condition is met, instead of just the first time.

Now we have reached the "Elements" section, and below it the "Element" section (Gaijin could have come up with better names) this is where you build your trigger; the "Elements" section is where you create the events, conditions, actions, and else actions of your trigger, while the "Element" section is where you modify the properties of each component. The elements area consists of a window with four folders where the contents of your trigger will be displayed, and underneath a collection of buttons:

Event, Condition, Action and ElseAction These buttons will display a new window with a list off all the available events, conditions and actions, depending on what button is pressed (the Action and elseAction buttons display the same list of actions, but will insert them into either the Actions or ElseActions area. There is a search box which will find the first item matching the phrase entered, it will only return the first entry in the list however, there may be more matches further down. To inset a component select it from the list and click "Ok".

Up and Down These buttons will move the selected element up and down in the list. Changing the order of components only has an affect on the Actions and ElseActions area where the actions will be carried out in the order they appear in the list, if actionsType is set to "PERFORM_ONE_BY_ONE" (the default setting) in the trigger properties area.

Delete This button will delete the selected trigger component.

Copy' This will copy the selected trigger component, multiple components can be coped from different triggers (or the same one) without needing to press "Paste ..." each time.

Paste ... This button will display a list of all the copied components (grouped by type) and allow you to select one to paste into the currently selected trigger.

The "Element" section at the bottom will update with different fields and buttons depending on the currently selected trigger component.

Worked Example Trigger

The completed trigger and mission setup to Teleport a player

In this example we are going to make a simple trigger which will teleport the player to a new location when the player enters a specific area. For this example the player unit will be in a tank (placed as "tankModels" in the editor) called "Player", there will be an area called "Teleport_Area" and another called "Destination_Area" (exact setup can be seen in the image to the right). When the player tank enters "Teleport_Area" we want it to be teleported to "Destination_Area".

To follow along with this example create a "tankModels" unit type, assign it as the player's vehicle, call it "Player" and set it to a tank you own. Create two box areas for the teleport and destination areas (called "Teleport_Area" and "Destination_Area"). If not already present from reading the previous section create a new trigger.

You should now have a fresh trigger (likely called Trigger_01 or similar), we will begin by renaming the trigger to something more descriptive so if we come back to the mission later it is nice and clear what it does; to do this select the name field, delete the old name and type a new name for the trigger, for example "Teleport Player". We will leave leave most of the properties as default, however we will tick "enableAfterComplete" as we want the player to be teleported every time they enter the area, not just the first time. We will then select the "periodicEvent" event and set its time field in the Element area to 0.1, this means the trigger will be executed and check if the player is in the area every 0.1 seconds.

Next we will click the "Condition" button and look for the "unitWhenInArea" condition and insert it into the trigger, this condition allows us to check whether a chosen unit is within a specified area at the moment the trigger is executed. When the condition is added it should automatically become selected in the "Element" section, scroll down in the trigger window so that all of the settings can be seen. The "object" field is what the condition is going to act on, in our case we want to check the player's unit to see if it is in the area, so we will set this field to the player unit (in this example called "Player"); to do this simply click the field and select the player's unit from the list of available units. The "+ object" button will create another object field, allowing you to check if multiple units are in the area. The target field in this case refers to what area we are checking the unit is in, so we will set this to "Teleport_Area". The "+ target" button does the same thing for targets that the "+ objects" button does for objects. We will leave all other settings at defaults, but for future reference here is what they do:

Math allows you to specify how the unit is checked to be in the area; by default it is set to "3D" so the unit must we within the area, if it is set to 2D then along as the unit is within the 2D footprint of the area it doesn't matter how high up the unit is (this setting is mainly useful for triggers aimed at aircraft). This field can also be set to "notNear2D" or "notNear3D", these work the same as "2D" and "3D", but will activate the trigger when the unit is not within the area, instead of when the unit is within the area. The "object_type" and "unit_type_ex" settings allow you to specify criteria about the unit, by default it is set to "isAlive" which means the condition will be met as long as the unit is alive while it is in the area, this can be changed to other settings such as "isDamaged" so the trigger will only activate if the player is both within the area and has damage to their vehicle. Finally check_objects comes in useful if you have specified multiple units to check, it allows you to say whether the trigger should activate if any of the units are in the area, or if all of the specified units must be in the area for the trigger to carry out its actions. This also works if a squad has been set as the object instead of an individual unit, it let you choose whether a single unit from the squad or the entire squad is required to be in the area.

Next click the "Action" button and from the list select "unitMoveTo" and insert it into your trigger. This action can be used to do various things relating to unit movement (such as telling AI to move to a certain place in a certain way), but we will use it for its ability to teleport units, in this case the player. Once inserted set the object to the player's unit and target to "Destination_Area", then click the "+ move_type" button to add the move_type field to the trigger and set the field to "teleport". There are a lot of other fields here which will be useful for when you make more advanced missions, but they are outside the scope of this basic guide.

Our trigger is now complete; every 0.1 seconds (10 times a second) it will check if the player's unit is within the "Teleport_Area" area and if it is it will teleport the player to the "Destination_Area" area, if the player is not in the teleport area it won't do anything. Now finish off the mission (give it a name, assign the player unit as the player, set the map to the correct map, that sort of stuff) and test it out in game.

List of all Events

For each item in the table click [Expand] for more details on implementation and available settings.

Event	Description	Available in SP or MP?
periodicEvent	Will execute the trigger repeatedly at a user defined interval Fields: time: The amount of seconds between each execution of the trigger, accurate to 2 decimal places var: An integer variable can be assigned here to override the value of the "time" field (use of integer variable limits interval to whole seconds if this option is chosen)	Both
timeExpires	Will execute the trigger once after a set number of seconds from mission start Fields: time: The amount of seconds from the start of the mission after which the trigger will be executed, accurate to 2 decimal places var: An integer variable can be assigned here to override the value of the "time" field (use of integer variable limits interval to whole seconds if this option is chosen)	Both
initMission	Trigger will be executed once at the start of the mission	Both

List of all Conditions

For each item in the table click [Expand] for more details on implementation and available settings. Note: This section lists the intended functionality (where known) for each condition, some (a minority) may be legacy features, or just broken, and may not work properly if at all. "SP only", "MP only", "Both" and "Unknown" show whether the trigger component only works in Single-player missions, only works in Multi-player missions, works in both types of missions, or that the component is currently non-function / not enough is known about it to say.

Condition	Description	Available in SP or MP?
airfieldIsModuleHP	Condition does not appear to currently be functional	Unknown
gameWhenDifficulty	Will check what the current game-mode is (AB, RB, SB or custom) Fields: difficulty: what game-mode (AB, RB, SB or custom) the condition will check for is: Can either be "equal" or "notEqual", if "equal" then trigger carries out actions when the current game-mode matches the one set in the "difficulty" field, if "notEqual" trigger will carry out actions when the game-mode does not match the one set in the "difficulty" field.	Both
gameWhenControlMode	Will check what the control mode the user has selected (mouse-aim, etc.) Fields: controlMode: what control mode (mouse-aim, instructor / simplified, realistic or full-real) the condition will check for is: Can either be "equal", "notEqual", "less", or "more", if "equal" then trigger carries out actions when the current control-mode matches the one set in the "controlMode" field, if "notEqual" trigger will carry out actions when the game-mode does not match the one set in the "controlMode" field. Functionality of "less" and "more" not confirmed but may allow for checking if the user's control scheme is set to less or more realist than the chosen value.	SP only
gameWhenControlWarning	Condition does not appear to currently be functional	Unknown
gameWhenHintIsNotActive	Will check if a hint is currently being displayed on the UI	Unknown
gameWhenManualGear	Will activate trigger if the user currently has "Autocontrol of landing gear" turned off in game controls	SP only
gameWhenObjectivesNotDisplayed	Will activate trigger if no mission objective is currently being displayed on screen	Unknown
infantryTroopWhenKilledByPlayerMatches	Will check if the number of infantry units killed by the player matches a specified value Fields: object: Which group of infantry the condition is checking if the player has killed func: Can be "less", "more", "equal", "notEqual" "notLess", "noteMore", determines how to compare the number of infantry killed to the number specified. value: the number to compare the number of infantry killed by the player to. var: An integer variable can be assigned here to override the value of the "value" field	SP only
isAllPlayersInGame	Will activate trigger if all the players are in the game	MP only
misObjStatus	Will activate trigger if a specified objective's current status matches a specified value Fields: target: The objective to be checked status: Can be "completed", "failed", "notCompleted", "notFailed", "inProgress", "notInProgress", spcifies the value to compre the trigger's status to.	Both
missionNamePostfix	Condition does not appear to currently be functional	Unknown
missionIsBombingAreaDestroyed	Will activate the trigger if the specified bombing area is destroyed Fields: target: The bombing area to check (bombing areas are assigned with the "missionSetBombingArea" action, for the condition select the area you assigned as a bombing area with this action)	Both
missionIsLZCaptured	Will activate trigger if a specified landing zone is captured by a specified team (unclear if / how LZs currently work) Fields: lz: The Landing Zone to be checked army: Which team should have captured landing zone	Unknown
missionIsRespawnAllowed	Checks if respawns are allowed in mission settings	Unknown
missionIsSuccess	Activates trigger if mission is completed successfully	Both
missionIsZoneCaptured	Will activate trigger if a specified zone is captured by a specified team It may be possible to make this trigger work in single player, but requires certain mission settings to be set. Fields: target: The Zone to be checked army: Which team should have captured zone	MP only
missionWhenAdditionalTime	Will activate trigger if a specified amount of time has passed since the successful completion of the mission When a (single player) mission is marked as successfully completed the player has the option to return to the hangar or continue playng, this condition will activate the trigger once a specified amount of time has passed from the completion of the mission, if the player chooses to continue playing. Fields: value: The amount of time (in seconds) that should elapse after completion of the mission use_variable: Enables the use of a variable instead of the specified value. var_value: An integer variable can be assigned here to override the value of the "value" field, if "use_variable" is ticked	SP only
missionWhenInBattleArea	Will activate the trigger if any units are within the defined battle area Fields: area: The battle area to check (battle areas are assigned with the "missionBattleArea" action, for the condition select the area you assigned as a battle area with this action)	Both
missionWhenTime	Will activate the trigger if a specified amount of time has passed since the start of the mission Fields: value: The amount of time which sold pass since the start of the mission.	Both
objectExists	Functionality unknown	Unknown
objGroupWhenStatus	Functionality unknown	Unknown
playersDistanceBetween	Will activate the trigger if the player is within a set distance of a set object Fields: target: The object to check the player's distance between value: The distance between the player and the target var: An integer variable can be assigned here to override the value of the "value" field math: Can be "2D", "3D", "notNear2D" or "notNear3D", determines how distance is calculated 2D is just concerned with 2D distance (distance between two objects on if drawn on a top down map), whereas 3D takes height difference into consideration; notNear will activate trigger if players are not within the distance, instead of being within the specified distance. player: the status of the player in order to be considered by the condition target_type: The status of the object in order to be considered by the condition check_players: can be "any" or "all", decides if all players must be within distance or just one check_targets: can be "any" or "all", decides if player must be within the specified distance of all targets or just one team: Can be "A", "B", or "Both", determines which team's players should be considered by the condition	Both
playersWhenEnemyNear	Will activate the trigger if the player is within a set distance of an enemy Fields: players: the status of the player in order to be considered by the condition enemy_type: The status of the enemy unit in order to be considered by the condition distance: the distance between the player and the enemy unit check_players: can be "any" or "all", decides if all players must be within distance or just one team: Can be "A", "B", or "Both", determines which team's players should be considered by the condition	Both
playersWhenInArea	Will activate the trigger if the player is within a set area Fields: target: the area to check if the player is within math: Can be "2D", "3D", "notNear2D" or "notNear3D", determines how the players position is calculated 2D is just concerned with if the player is within the 2D footp[rint of the area, regardless of hight, whereas 3D takes height into consideration; notNear will activate trigger if player is not within the area, instead of being within the specified area. players: the status of the player in order to be considered by the condition check_players: can be "any" or "all", decides if all players must be within distance or just one team: Can be "A", "B", or "Both", determines which team's players should be considered by the condition	Both
playersWhenEnemyNear	Will activate when the player spawns This condition is best used with the "useForTriggerFiltered" option on actions to allow the trigger to act only on units which have just spawned. Fields: team: Can be "A", "B", or "Both", determines which team's players should be considered by the condition clearHandledEvents: Functionality unknown	Both
playersWhenOnLZ	Checks if a player is within the landing zone (unclear if / how LZs currently work) It is currently unclear if this trigger works Fields: object: The units to check target: The landing zone to check (landing zones are assigned with the "missionMarkAsLandingZone" action, for the condition select the area you assigned as a landing zone with this action) object_type: the status of the player in order to be considered by the condition check_objects: can be "any" or "all", decides if all players must be within distance or just one aterRepaired: Functionality unknown	Unknown
playersWhenReachHeight	Checks if a player has reached a specified altitude Fields: players: the status of the player in order to be considered by the condition check_players: can be "any" or "all", decides if all players must be above height or just one value: the altitude to reach (in metres) comparison_func: can be "more" or "less", decides if trigger should activate if player is above or bellow set value absolute_value: Determines whether absolute altitude (referenced to sea level) or altitude over terrain should be used team: Can be "A", "B", or "Both", determines which team's players should be considered by the condition	Both
playersWhenStatus	Checks the status of the player Fields: players: the value the player's current status should be compared to check_players: can be "any" or "all", decides if all players must meet status or just one team: Can be "A", "B", or "Both", determines which team's players should be considered by the condition	Both
playersWhenManeuver	Checks what maneuver the player is carrying out Fields: manName: the maneuver to compare player's current behavior to	Unknown
playersWhenOptions	Checks what options the player is currently has using This condition has a list of check boxes and drop downs to let you act on the players settings such as if they are currently in cockpit mode, currently zoomed in, are using a touch screen to play, are using mouse aim, are using a joystick, etc. Some or all settings may not work and some such as "currentMissileType" are left over from previous Gaijin games on the same engine and not relevant to War Thunder.	Unknown
playersWhenOrientation	Checks what orientation the player is currently at Fields: value: The angle the player should be at (-180 to +180, accurate to 2 decimal places) orientation: Which axis (yaw, pitch, or roll) the trigger should check the value against comparison_func: Can be "more" or "less", whether the trigger should activate when the player's angle is above or below the specified value in the specified axis.	Unknown
playersWhenCameraState	Checks what orientation the of the camera (in free look mode) Fields: value: The angle the camera should be at (-180 to +180, accurate to 2 decimal places) orientation: Which axis (yaw, pitch, fov (field of view)) the trigger should check the value against comparison_func: Can be "more" or "less", whether the trigger should activate when the camera angle is above or below the specified value in the specified axis.	Unknown
playersWhenCursorIn	Functionality unknown This appears to relate to how the mouse cursor is being used (mouse-aim, on-screen joystick, control of tank cross-hair etc.), but no functionality has been established after testing.	Unknown
playersWhenCurrentBullet	Checks which ammo slot the player has selected and activate trigger if it matches set value As this condition only is believed to only work in single player, this effectively lets you check what ammo type the user is using as in single player missions you assign ammo to the player, so know what slot each shell is in. Fields: buttletNo: Can be a number between 0 and 3, determines what ammo slot the player should have selected in order for the trigger. Is a 0 based numbering system, so 0 is the first ammo slot (ammo slot 1), up to 3 which is ammo slot 4.	Unknown
triggerStatus	Checks the status of another trigger and activates trigger if it matches a set value Fields: target: The trigger to check the status of status: What status the trigger should be, either "enabled" or "disabled"	Both
unitDistanceBetween	Will activate the trigger if a unit is within a set distance of a set object Fields: object: The unit to check the distance from target: The target to check the unit's distance from value: The distance between the unit and the target var: An integer variable can be assigned here to override the value of the "value" field math: Can be "2D", "3D", "notNear2D" or "notNear3D", determines how distance is calculated 2D is just concerned with 2D distance (distance between two objects on if drawn on a top down map), whereas 3D takes height difference into consideration; notNear will activate trigger if players are not within the distance, instead of being within the specified distance. object_type: The status of the unit in order to be considered by the condition unit_type_ex: Unknown, likely more options for checking the status of units before activating the trigger target_type: The status of the target in order to be considered by the condition target_marking: Only works for Multiplayer A number between 0 and 31. Checks the marking of the target unit, units are marked with a number using the unitMark action. If multiple targets are selected only targets with the correct marking are considered by the trigger, e.g. if set to 5 the trigger will only activate if the unit is within the set distance of a target with a marking of 5, even if the unit is within distance of another target with a different marking. check_objects: can be "any" or "all", where there are multiple objects set decides if all objects must be within distance or just one check_targets: can be "any" or "all", decides if object must be within the specified distance of all targets or just one compareCenters: Determines if measurement is taken from center of object and target or from closest point check_all_units: Functionality unknown	Both
unitFuelLess	Activates the trigger when the specified units remaining fuel is below a specified amount (may be bugged / non-functional) Fields: object: The unit to check the fuel of object_type: The status of the unit in order to be considered by the condition fuelRelMin: A number accurate to two decimal places, specified the amount of remaining fuel, unit is unknown and condition may not be functioning correctly.	Unknown
unitAnyLess	Activates trigger if at least one unit from those specified does not match the given status Fields: object: The unit(s) to check object_type: The status of the unit to be checked by the condition	Both
unitWhenControls	Activates trigger if the units control positions match a given value Fields: object: The unit to check func: Can be "less", "more", "equal", "notEqual" "notLess", "noteMore", determines how to compare the control position to the number specified. value: A number accurate to 2 d.p, determines what the control setting should be checked against (e.g. for flaps 0 might be flaps fully up, 1 might be flaps fully down and 0.5 flaps half way; these are made up and untested numbers, you will need to experiment). property: The control to check.	Both
unitWhenCountMatches	Activates trigger when the number of units meeting the condition is equal to the number set All units assigned under the object field of this condition are counted together, including units which have had their count increased. For example if two units have been assigned and one has had its count increased to 5 then the trigger will consider the status of all 5 sub units and the other unit, for a total of 6. If the object_type is set to isAlive with the function less than 3 then the death of any four units will activate the trigger. Fields: object: The unit(s) to check, allows for multiple objects to be assigned, groups can also be assigned. object_type: The criteria the units are evaluated against e.g. "isAlive" or "damaged" unit_type_ex: Unknown, likely more options to check the unit's status. object_marking_var: Allows and integer variable to be assigned, likely takes the value of the variable as a marking (set with the unitMark action), allowing the trigger to be activated depending on the number of units with certain marking. func: Can be "less", "more", "equal", "notEqual" "notLess", "noteMore", determines how to compare the control position to the number specified. value: An integer value for the number of units required to meet the condition. var: An integer variable can be assigned here to override the value of the "value" field	Both
unitWhenEnemyNear	Will activate the trigger if the specified unit is within a set distance of an enemy Fields: object: The unit to check object_type: The status of the unit in order to be considered by the condition unit_type_ex: Unknown, likely more options to check the unit's status. enemy_type: The status of the enemy unit in order to be considered by the condition distance: the distance between the player and the enemy unit (in metres) use_variable: Enables the use of a variable instead of the specified value. distance_var: An integer variable can be assigned here to override the value of the "distance" field, if "use_variable" is ticked check_objects: can be "any" or "all", decides if all specified units must be within distance or just one	Both
unitWhenInArea	Will activate the trigger if the specified unit is within the specified area Fields: object: The unit to check target: The area to check if the unit is within math: Can be "2D", "3D", "notNear2D" or "notNear3D", determines how the players position is calculated 2D is just concerned with if the player is within the 2D footprint of the area, regardless of hight, whereas 3D takes height into consideration; notNear will activate trigger if player is not within the area, instead of being within the specified area. object_type: The status of the unit in order to be considered by the condition unit_type_ex: Unknown, likely more options to check the unit's status. enemy_type: The status of the enemy unit in order to be considered by the condition check_objects: can be "any" or "all", decides if all specified units must be within the area or just one	Both
unitWhenOnLZ	Checks if a unit is within the landing zone (unclear if / how LZs currently work) It is currently unclear if this trigger works Fields: object: The units to check target: The landing zone to check (landing zones are assigned with the "missionMarkAsLandingZone" action, for the condition select the area you assigned as a landing zone with this action) object_type: the status of the unit in order to be considered by the condition check_objects: can be "any" or "all", decides if all players must be within distance or just one aterRepaired: Functionality unknown	Unknown
unitWhenPartHp	Checks the health of a part of a unit Using this trigger requires knowing the names of different parts of a unit's damage model, finding this information is up to you. Fields: object: The units to check func: Can be "less", "more", "equal", "notEqual" "notLess", "noteMore", determines how to compare the part's health to the number specified check_objects: Can be "any" or "all", decides if all players must be within distance or just one check_parts: Can be "any", "all", "notAll", "notAny", if multiple damage model parts are listed determines which ones of them need to meet the criteria in order for the trigger to activate (e.g. if "any" is set then if any part meets the required HP then the trigger will activate) value: A number accurate to 2 decimal places, the value the current health of the part should be compared to (0 is destroyed 1 is full health) var: A real (decimal number) variable can be assigned here to override the value of the "value" field planePart: You may type the name of the damage model part you wish to check for an aircraft unit tankPart: You may type the name of the damage model part you wish to check for a tank unit	Unknown
unitWhenProperties	Activates the trigger if a unit's current properties match specified values Fields: object: The units to check func: Can be "less", "more", "equal", "notEqual" "notLess", "noteMore", determines how to compare the part's property to the number specified value: A number accurate to 2 decimal places, the value to compare the unit's current property to property: Can be "speed", "throttle", or "heading", determines which of the unit's properties should be compared to the value. check_filter: Can be "any", "all", "notAll", "notAny", functionality unknown. object_type: the status of the unit in order to be considered by the condition unit_type_ex: Unknown, likely more options to check the unit's status.	Both
unitWhenReachHeight	Checks if the specified unit has reached a specified altitude Fields: object: The unit to be checked object_type: the status of the player in order to be considered by the condition unit_type_ex: Unknown, likely more options to check the unit's status. check_objects: can be "any" or "all", decides if all of the specified units must be above the height or just one value: the altitude to reach (in metres) comparison_func: can be "more" or "less", decides if trigger should activate if player is above or bellow set value absolute_value: Determines whether absolute altitude (referenced to sea level) or altitude over terrain should be used	Both
unitWhenStatus	Checks the status of the specified unit Fields: object: The unit to check object_type: the value the unit's current status should be compared to unit_type_ex: Unknown, likely more options to check the unit's status. check_objects: can be "any" or "all", decides if all the specified units must meet status or just one	Both
unitCheckTag	Checks the tags of a specified unit Each unit in the game has various tags assigned to it which describe it, such as what unit type it is (fighter, bomber, tank, ship, etc.) and what country it is. Working out what the tags are for a specific unit has is a fairly easy task and is done by just thinking about the unit, e.g. a spitfire will probably have the "type_fighter" and "country_britain" tags. Fields: target: The unit to check useForTriggerFiltered: This option is only usually seen in actions, it is unclear what purpose it serves in a condition tags: Clicking this will give you the option to add in various check boxes to check the units tag against, if the unit's tags align with those selected then the trigger will activate. For example adding and unchecking the "type_bomber" tag will activate the trigger if the specified unit is not a bomber; likewise if only the "type_medium_tank" and "country_ussr" boxes are added and ticked then the trigger will only activate if the specified unit is a Russian medium tank.	Both
unitWhenHit	Will activate the trigger if the specified unit is hit (shot) with the option of specifying which unit hit it Fields: target: The unit to check if it has been hit offender: The unit which hit the specified unit (if "tank01" hit the units, but this was set to "tank02" the trigger should not activate, if "tank02" hit the unit the trigger would activate) clearHandledEvents: Functionality unknown setIntVar: Does not appear to currently be functional addIntVar: Does not appear to currently be functional	Both
unitWhenKilled	Will activate the trigger if the specified unit is killed Fields: target: The unit to check if it has been killed offender: The unit which killed the specified unit (if "tank01" hit the units, but this was set to "tank02" the trigger should not activate, if "tank02" killed the unit the trigger would activate) clearHandledEvents: Functionality unknown	Both
unitsInLineOfSight	Checks if two units have line of sight with each other Fields: object: The unit to check target: The unit to check if the first unit has line of sight with check_objects: can be "any", "all", "notAny", "notAll", decides if all the specified units must have line of sight with the target or just one check_targets: can be "any", "all", "notAny", "notAll", decides if the specified unit must have line of sight with all the targets or just one Distance: Max distance between units for trigger to activate	Both
unitsInSearchLight	Checks if unit is caught in a search light Fields: object: The unit to check target: The search light to check if the unit is in	Both
varCompareBool	Activates the trigger if the specified boolean variable matches the specified value Fields: var_value: The variable to compare value: Whether the boolean variable should be true (ticked) or false (un-ticked) comparison_func: Can be "equal" or "notEqual" determines whether the variable should equal the value or not equal the value.	Both
varCompareInt	Activates the trigger if the specified integer variable matches the specified value Fields: var_value: The variable to compare value: The value to compare the variable to var_value_other: An integer variable can be assigned here to override the value of the "value" field value: The value to compare the variable to comparison_func: Can be "less", "more", "equal", "notEqual", "notLess", "notMore", determines how the variable should compare the the value in order to activate the trigger.	Both
varCompareReal	Activates the trigger if the specified real (decimal number) variable matches the specified value Fields: var_value: The variable to compare value: The value to compare the variable to var_value_other: A real variable can be assigned here to override the value of the "value" field comparison_func: Can be "less", "more", "equal", "notEqual", "notLess", "notMore", determines how the variable should compare the the value in order to activate the trigger.	Both
varCompareString	Activates the trigger if the specified string variable matches the specified value Fields: var_value: The variable to compare value: The value to compare the variable to var_value_other: A string variable can be assigned here to override the value of the "value" field comparison_func: Can be "equal" or "notEqual" determines whether the variable should equal the value or not equal the value.	Both
playerShortcutPressed	Activates the trigger if player presses a specified control Fields: control: The control the player should press, they are fairly self explanatory as to which key they refer to timer: How long the player needs to hold the control down for in order for the trigger to activate (in seconds) pressed: If checked the trigger will activate when the player presses the control, if unchecked the trigger will activate when the player is not pressing the key checkUp: If checked trigger will be activated when player releases the specified control, if checked trigger will be activated when player presses control. It is unclear whether this option currently functions correctly. gamepadControls: Exact functionality unknown, presumably relates to use of a gamepad instead of mouse and keyboard. team: Can be "A", "B", or "Both", determines which team's players should be considered by the condition	SP only
playerSeesUnit	Checks if player can see a specified unit This appears to work like "unitsInLineOfSight", only requiring LOS between the player and the target unit, the player does not need to be looking at the unit. Fields: target: The unit to check if the player can see target_type: The status of the target in order to be considered by the condition check_targets: Can be "any" or "all", decides if player must be able to see all targets or just one viewAngle: Functionality unknown distance: The maximum distance between the player and the target in order for the trigger to activate. Unclear thif this field is currently working	SP only
playerAxisValueReached	Checks if player has reached a certain value on a specified control axis Fields: axis: The control axis which is being checked value: the value to compare the current axis value to timer: How long the axis must have been at a value matching the requirement (in seconds) absValue: Functionality unknown gamepadControls: Exact functionality unknown, presumably relates to use of a gamepad instead of mouse and keyboard. team: Can be "A", "B", or "Both", determines which team's players should be considered by the condition func: Can be "less", "more", "equal", "notEqual", "notLess", "notMore", determines how the axis value should compare the the value in order to activate the trigger. joyAngle: Exact functionality unknown, presumably relates to angle of the player's joystick (for players using one). joyDispersion: Exact functionality unknown, presumably relates to players using a joystick joyMinRad: Exact functionality unknown, presumably relates to players using a joystick	SP only
destructibleInArea	Checks the number of objects destroyed within a specified area Fields: area: The area to check objects destroyed within moreThan: the value to compare the number of destroyed objects to func: Can be "less", "more", "equal", "notEqual", "notLess", "notMore", determines how the number of destroyed objects should compare the the value in order to activate the trigger. check_areas: Can be "any" or "all", decides if all specified areas must meet match number of targets destroyed or just one.	Unknown
airDropsNear	Checks if an airDrop is near a unit (unclear if / how air drops currently work) Fields: object: The unit to check for airdrops near distance: The distance between the unit and an airdrop in order to activate a trigger	Unknown
areaWhenInArea	Checks if an area is within another area Fields: target: The area to check if it is within another area object: The area to check if the first area is within math: Can be "2D", "3D", "notNear2D" or "notNear3D", determines how the area's position is calculated 2D is just concerned with if the area is within the 2D footprint of the other area, regardless of hight, whereas 3D takes height into consideration; notNear will activate trigger if the area is not within the area, instead of being within the specified area.	Both

List of all Actions

Coming in the future