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

{
  "$id": "blockception.minecraft.behavior.entities.minecraft.behavior.play",
  "description": "Allows the mob to play with other baby villagers. This can only be used by Villagers.",
  "type": "object",
  "title": "Play",
  "additionalProperties": false,
  "required": [],
  "properties": {
    "priority": {
      "$ref": "types/priority.json"
    },
    "speed_multiplier": {
      "$ref": "types/speed_multiplier.json"
    }
  }
}