bedrock-samples/behavior_pack/entities/bat.json

{
  "format_version": "1.16.0",
  "minecraft:entity": {
    "description": {
      "identifier": "minecraft:bat",
      "spawn_category": "ambient",
      "is_spawnable": true,
      "is_summonable": true,
      "is_experimental": false
    },
    "component_groups": {
    },

    "components": {
      "minecraft:is_hidden_when_invisible": {
      },
      "minecraft:type_family": {
        "family": [ "bat", "mob" ]
      },
      "minecraft:breathable": {
        "total_supply": 15,
        "suffocate_time": 0
      },
      "minecraft:collision_box": {
        "width": 0.5,
        "height": 0.9
      },
      "minecraft:damage_sensor": {
        "triggers": {
          "cause": "fall",
          "deals_damage": false
        }
      },
      "minecraft:hurt_on_condition": {
        "damage_conditions": [
          {
            "filters": { "test": "in_lava", "subject": "self", "operator": "==", "value": true },
            "cause": "lava",
            "damage_per_tick": 4
          }
        ]
      },
      "minecraft:movement": {
        "value": 0.1
      },
      "minecraft:navigation.float": {	
        "can_path_over_water": true	
      },
      "minecraft:movement.basic": {
      },
      "minecraft:jump.static": {
      },
      "minecraft:despawn": {
        "despawn_from_distance": {}
      },
      "minecraft:behavior.float": {
        "priority": 0
      },
      "minecraft:behavior.float_wander": {
        "xz_dist": 10,
        "y_dist": 7,
        "y_offset": -2.0,
        "random_reselect": true,
        "float_duration": [ 0.1, 0.35 ]
      },
      "minecraft:can_fly": {
      },
      "minecraft:health": {
        "value": 6,
        "max": 6
      },
      "minecraft:nameable": {
      },
      "minecraft:physics": {
      },
      "minecraft:conditional_bandwidth_optimization": {
      },
      "minecraft:game_event_movement_tracking": {
        "emit_flap": true
      }
    },

    "events": {
    }
  }
}