minecraft-bedrock-json-schemas/source/behavior/entities/format/behaviors/roar.json

{
  "$id": "blockception.minecraft.behavior.entities.minecraft.behavior.roar",
  "additionalProperties": false,
  "type": "object",
  "title": "Roar",
  "description": "[EXPERIMENTAL BEHAVIOR] Plays the provided sound and activates the `ROARING` actor flag during the specified duration",
  "properties": {
    "priority": {
      "$ref": "./types/priority.json"
    },
    "duration": {
      "title": "Duration",
      "type": "number",
      "default": 0.0,
      "description": "Goal duration in seconds."
    }
  }
}