minecraft-bedrock-json-schemas/source/behavior/spawn_rules/components/spawn_event.json

{
  "$id": "blockception.minecraft.behavior.spawn_rules.minecraft.spawn_event",
  "title": "Spawn Event",
  "description": "UNDOCUMENTED",
  "$comment": "UNDOCUMENTED",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "event": { "type": "string", "title": "Event", "description": "UNDOCUMENTED", "$comment": "UNDOCUMENTED" }
  }
}