Events (WHEN)

Triggered when an agent collects a collectible object.

Triggered when the configured team runs out of respawns (all members eliminated).

Triggered when a qualifying elimination occurs. Receives the eliminated agent (victim). The eliminator is NOT available here — for both sides, add a second rule on on_elimination.

Triggered when a qualifying elimination occurs. Receives the eliminator as ?agent. The victim is NOT available here — for both sides, add a second rule on on_eliminated.

Fires when a team member eliminates an enemy. Sends the eliminator agent.

Fires when a team member is eliminated. Sends the eliminated agent.

Fires when a team member spawns. Sends the spawned agent.

Triggered when a player purchases a REAL-MONEY marketplace entitlement (V-Bucks in-island transaction). NOT for in-game shops: to buy with the mode’s internal currency (coins), use on_button_press + has_enough_currency + spend_currency instead.

Triggered when the game experience begins (OnBegin). No external device needed.

Triggered when a new round begins. Useful for multi-round maps.

Triggered when an agent interacts with a button device.

Triggered when an item is granted to a player via the Item Granter device.

Triggered when a specific phase ends in the phase system.

Triggered when a specific phase starts in the phase system.

Triggered when a human player joins the experience.

Triggered when a human player leaves the experience.

Triggered when a guard from this spawner is eliminated. Provides the killer agent (Source) if available.

Triggered when a guard is spawned from this Guard Spawner. Sends the guard agent.

Triggered when a quest is completed (tracking variable reaches target value).

Triggered when a player receives score from the Score Manager device.

Fires when the score manager reaches its maximum trigger count.

Fires when an agent emerges from the teleporter after being teleported.

Fires when an agent enters the teleporter. Sends the entering agent.

Triggered when a timer device completes successfully.

Triggered when a timer device fails (time runs out without completion).

Triggered when a timer device enters urgency mode (near expiration).

Repeats actions at a fixed interval (seconds). Generates a loop with Sleep in OnBegin.

Triggered when an agent reaches the target value of a tracker device. One tracker device = ONE completion objective (configured in UEFN). For multiple distinct destinations or objectives (e.g. deliver to N different places), do NOT reuse one tracker — use one volume zone per destination (on_zone_enter + deviceTag) with a variable check instead.

Triggered when a conditional button is activated (agent has all required items).

Triggered when a conditional button fails because the agent lacks required items.

Fires on the player REMEMBERED by a player reference device — the event subject IS that stored player, not whoever triggered the activation. This is how you act later on someone other than the original event subject: the eliminator who killed the current leader, a duel target, a role being transferred.

Triggered when the agent tracked by a player reference device is updated. Sends the new agent.

Triggered when a player clicks a HUD button widget.

Triggered when a HUD message has been hidden from screen.

Triggered when a HUD message has been shown on-screen.

Triggered when a player clicks a button on a popup dialog. Provides the button index.

Triggered when a player dismisses a popup dialog.

Triggered when a popup dialog is shown to a player.

Triggered when a popup dialog times out for a player.

Triggered when a variable reaches a threshold value. Supports >=, <=, ==, >, < operators.

Triggered when an agent enters a volume device zone.

Triggered when an agent exits a volume device zone.

Triggered when an agent enters a vehicle from the chosen vehicle spawner.

Triggered when an agent exits a vehicle from the chosen vehicle spawner.

Triggered when an agent is bounced by the bouncer pad.

Triggered when control of the capture area changes to a new team.

Triggered when the capture area scores for its controlling team.

Triggered when a player captures the item (e.g. flag) at its goal.

Triggered when a player stands up from the Chair device. Provides the exiting agent.

Triggered when a player sits on the Chair device. Provides the seated agent.

Triggered the first time a player reaches this checkpoint.

Triggered when a player switches class via the selector.

Triggered when a player is launched by the crash pad.

Triggered when the creature spawner spawns a creature.

Triggered when a creature of the managed type is eliminated.

Fires for a player every X meters of horizontal distance traveled (running or driving). Repeats — the counter resets after each fire. Falls and teleports do not count.

Triggered when the explosive device detonates.

Triggered when a player starts grinding the rail.

Triggered when a player picks up an item from the item spawner.

Triggered when a player completes a lap.

Triggered when a vehicle mod box is spawned (sends the mod index).

Triggered when an agent enters the mutator zone.

Triggered when an agent exits the mutator zone.

Triggered when the NPC spawner spawns an NPC.

Triggered when the objective is destroyed by a player.

Triggered when a patroller reaches a node on the patrol path.

Triggered when a player is eliminated. Binds BOTH sides: the eliminator is the rule’s agent, and the victim is available to atoms that ask for it. ⚠️ Requires your island to respawn players through a Player Spawner device — that is how this rule re-arms after each death. If respawns happen any other way (island default spawn, respawn settings, teleport), the rule fires for each player’s FIRST life only and then goes quiet.

Triggered when a player spawns at the player spawner.

Triggered when a player passes a race checkpoint.

Triggered when a player finishes the race.

Triggered when the RNG device rolls a win.

Triggered when the sentry becomes alerted by an agent.

Triggered when a player opens the supply drop crate.

Triggered when a player turns the switch on.

Triggered when the shooting range target is hit in the bullseye.

Triggered when the shooting range target is hit.

Triggered when a player switches team via the selector.

Triggered when a player steps on a color changing tile.

Triggered when the timed objective starts.

Triggered when the timed objective is completed.

Triggered when the automated turret acquires a target.

Triggered when the vehicle from the chosen spawner is destroyed.

Triggered when a vehicle enters the service station.

Triggered when a vehicle leaves the service station.

Triggered when a vehicle starts refueling at the station.

Triggered when a vehicle finishes refueling at the station.

Triggered when a vehicle starts being repaired at the station.

Triggered when a vehicle finishes being repaired at the station.

Triggered when the chosen spawner spawns (or respawns) its vehicle.

Triggered when a player purchases an item from the vending machine.

Triggered when the VFX Spawner effect is disabled. No agent is provided — use with broadcast actions or for_each_player.

Triggered when the VFX Spawner effect is enabled. No agent is provided — use with broadcast actions or for_each_player.