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Entity - Event - Missing

behaviorpack.entity.event.missing

Severity: warning

Description

An entity event is referenced somewhere in the entity definition, but the event is not defined in that entity's events section.

What triggers this error

This warning is triggered by the language server when a reference to an entity event (e.g., in a component's on_hurt or on_death callback, or in a minecraft:trigger component) points to an event identifier that does not exist in the entity's events block. The diagnoser reports: Entity has no event "<id>".

Example

The following entity definition references the event example:do_something in a trigger, but the event is not defined:

{
  "format_version": "1.16.0",
  "minecraft:entity": {
    "description": {
      "identifier": "example:my_entity"
    },
    "components": {
      "minecraft:health": {
        "value": 20,
        "max": 20
      },
      "minecraft:hurt_on_condition": {
        "damage_conditions": [
          {
            "filters": { "test": "in_lava" },
            "cause": "lava",
            "damage_per_tick": 4
          }
        ]
      },
      "minecraft:on_death": {
        "event": "example:do_something"  // Error: this event is not defined below
      }
    },
    "events": {
      // "example:do_something" is missing here
    }
  }
}

How to fix

Either add the missing event definition to the entity's events section:

"events": {
  "example:do_something": {
    "add": {
      "component_groups": ["example:dead_state"]
    }
  }
}

Or correct the event name to match one that is already defined:

"minecraft:on_death": {
  "event": "example:existing_event"
}

Related errors