> For the complete documentation index, see [llms.txt](https://docs.sparkframework.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sparkframework.dev/documentation/developer-guide/plugins/combat/events.md).

# Events

All events published by the Combat plugin through `SparkEventBus`.

## Core Combat Events

| Event                  | Properties                                                              | Description              |
| ---------------------- | ----------------------------------------------------------------------- | ------------------------ |
| `CombatStartedEvent`   | `CombatEntity`                                                          | An entity entered combat |
| `CombatEndedEvent`     | `CombatEntity`, `CombatDuration`                                        | An entity left combat    |
| `EntityDeathEvent`     | `Entity`, `CombatEntity`, `Killer`                                      | An entity died           |
| `TargetChangedEvent`   | `PreviousTarget`, `NewTarget`                                           | Active target switched   |
| `TargetLockedEvent`    | `LockerEntity`, `TargetEntity`, `TargetGameObject`                      | Target lock acquired     |
| `TargetUnlockedEvent`  | `LockerEntity`, `PreviousTargetEntity`, `PreviousTargetGameObject`      | Target lock released     |
| `ThreatChangedEvent`   | `NPCEntity`, `ThreatSource`, `ThreatAmount`, `NewTotalThreat`, `Reason` | NPC threat table updated |
| `StartAutoAttackEvent` | `Target`                                                                | Auto-attack initiated    |

## Ability Execution Events

| Event                          | Properties                                                         | Description               |
| ------------------------------ | ------------------------------------------------------------------ | ------------------------- |
| `AbilityExecutedEvent`         | `Ability`, `Targets`, `WasSuccessful`                              | Ability fully executed    |
| `AbilityHitEvent`              | `SourceEntity`, `TargetEntity`, `Ability`, `HitPosition`, `Damage` | Ability hit a target      |
| `AbilityValidationFailedEvent` | `Ability`, `FailureReason`, `Target`                               | Ability failed validation |
| `AbilityUnlockedEvent`         | `Ability`, `EntityId`, `BarIdentifier`, `SlotIndex`                | Ability became available  |

## Ability Phase Events

These events fire as an ability transitions through its execution phases.

| Event                      | Properties                                         | Description                     |
| -------------------------- | -------------------------------------------------- | ------------------------------- |
| `AbilityStateChangedEvent` | `Ability`, `StateType`, `PreviousState`, `Targets` | Ability changed execution phase |
| `AbilityStartupEvent`      | `Ability`, `StateType`, `PreviousState`, `Targets` | Ability entered startup phase   |
| `AbilityActiveEvent`       | `Ability`, `StateType`, `PreviousState`, `Targets` | Ability entered active phase    |
| `AbilityRecoveryEvent`     | `Ability`, `StateType`, `PreviousState`, `Targets` | Ability entered recovery phase  |
| `AbilityCompletedEvent`    | `Ability`, `StateType`, `PreviousState`, `Targets` | Ability execution finished      |

## Channel & Incantation Events

| Event                                | Properties                          | Description                   |
| ------------------------------------ | ----------------------------------- | ----------------------------- |
| `AbilityChannelStartedEvent`         | `AbilityEntry`, `Caster`            | Channel cast began            |
| `AbilityChannelInterruptedEvent`     | `AbilityEntry`, `Caster`, `Context` | Channel was interrupted       |
| `AbilityChannelCompletedEvent`       | `AbilityEntry`, `Caster`            | Channel finished successfully |
| `AbilityIncantationStartedEvent`     | `Ability`, `Caster`                 | Incantation cast began        |
| `AbilityIncantationInterruptedEvent` | `Ability`, `Caster`                 | Incantation was interrupted   |

## Damage & Healing Events

| Event                        | Properties                                                                                                                         | Description              |
| ---------------------------- | ---------------------------------------------------------------------------------------------------------------------------------- | ------------------------ |
| `DamageDealtEvent`           | `TargetEntity`, `DamageAmount`, `TargetStat`, `Ability`, `SourceEntity`, `MainDamageType`, `SecondaryDamageType`, `FormulaUsed`    | Damage applied to entity |
| `ObjectDamageDealtEvent`     | `TargetEntity`, `ObjectDamage`, `Ability`, `SourceEntity`, `MainDamageType`, `SecondaryDamageType`, `FormulaUsed`                  | Damage applied to object |
| `HealingAppliedEvent`        | `TargetEntity`, `HealingAmount`, `TargetStat`, `Ability`, `SourceEntity`, `MainHealingType`, `SecondaryHealingType`, `FormulaUsed` | Healing applied          |
| `NPCStaggerEvent`            | `TargetNPC`, `StaggerDuration`                                                                                                     | NPC was staggered        |
| `RevivePlayerRequestedEvent` | `EntityId`                                                                                                                         | Player revive requested  |

## Status Effect Events

| Event                  | Properties                                                       | Description                      |
| ---------------------- | ---------------------------------------------------------------- | -------------------------------- |
| `StatusAppliedEvent`   | `StatusInstance`, `TargetEntity`, `SourceEntity`, `WasStacked`   | Status effect applied            |
| `StatusRefreshedEvent` | `StatusInstance`, `NewStackCount`, `NewDuration`, `TargetEntity` | Status duration/stacks refreshed |
| `StatusRemovedEvent`   | `StatusInstance`, `Reason`, `TargetEntity`                       | Status effect removed            |
| `StatusTickEvent`      | `StatusInstance`, `TickNumber`, `TargetEntity`                   | Status periodic tick fired       |
| `StatusImmuneEvent`    | `BlockedStatus`, `TargetEntity`, `ImmunityTags`                  | Status blocked by immunity       |

## Stat & Override Events

| Event                          | Properties                                                     | Description                             |
| ------------------------------ | -------------------------------------------------------------- | --------------------------------------- |
| `StatModificationEvent`        | `Target`, `StatId`, `Value`, `ModificationType`                | Stat value modified                     |
| `BatchStatModificationEvent`   | `Target`, `Modifications`                                      | Multiple stats modified at once         |
| `AbilityTriggersOverrideEvent` | `Target`, `OverrideTriggers`, `IsClearingOverrides`, `Context` | Ability triggers temporarily overridden |
| `CombatTriggersOverrideEvent`  | `Target`, `OverrideTriggers`, `IsClearingOverrides`, `Context` | Combat triggers temporarily overridden  |

## NPC Events

| Event                | Properties                                  | Description                   |
| -------------------- | ------------------------------------------- | ----------------------------- |
| `NPCInteractedEvent` | `NPCEntry`, `Interactor`, `InteractableNPC` | Player interacted with an NPC |

See [Event System](/documentation/developer-guide/core-systems/event-system.md) for full details on subscribing, publishing, and handling events.


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