minecraft:behavior.lay_egg: Entity component in Minecraft Bedrock

minecraft:behavior.lay_egg

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Overview

minecraft:behavior.lay_egg is an entity component: it goes in the components object of a custom mob, or in one of its component groups. AI goal that makes a pregnant mob place an egg block on a fitting block, like a turtle laying eggs on sand.

Fields

Field	Type	Default	Description
`target_blocks`	string[]	`["minecraft:sand"]`	Blocks the egg can be placed on.
`target_materials_above_block`	string[]	`["air"]`	What may be above the target block: Air, Water or Lava.
`allow_laying_from_below`	boolean	`false`	If true, the mob can lay from below when it cannot reach the top, handy for frogs laying spawn on water.
`use_default_animation`	boolean	`true`	If true, the built-in egg laying animation plays.
`lay_seconds`	number	`10`	How many seconds laying takes.Range: 0 to …
`egg_type`	string	`"minecraft:turtle_egg"`	The egg block that is placed. Turtle eggs get a random count.
`lay_egg_sound`	LevelSoundEvent	`"lay_egg"`	Sound event played while laying.
`on_lay`	ActorDefinitionTrigger	`{"event":"","filters":{"AND":null,"NOT":null,"OR":null,"all":null,"all_of":null,"any":null,"any_of":null,"none_of":null},"target":"self"}`	Event that fires once the egg is laid.
`search_range`	integer	`0`	How far sideways, in blocks, the mob looks for a place to lay.
`search_height`	integer	`1`	How far up and down, in blocks, the mob looks for a place to lay.
`goal_radius`	number	`0.5`	How close the mob must get to count as arrived.
`speed_multiplier`	number	`1`	Speed multiplier while moving to the spot.Range: 0 to …
`priority`	integer	`0`	Lower numbers run first: when two goals compete, the one with the smaller priority wins.Range: 0 to …
`control_flags`	Goal's control flags[]	none	Which body parts this goal takes over (move, look, jump), so goals using the same parts cannot run together.

Example

Inside the components object of BP/entities/<name>.json (values are the defaults or placeholders):

BP/entities/<name>.json

{
  "minecraft:behavior.lay_egg": {
    "target_blocks": [
      "minecraft:sand"
    ],
    "target_materials_above_block": [
      "air"
    ],
    "allow_laying_from_below": false,
    "use_default_animation": true,
    "lay_seconds": 10,
    "egg_type": "minecraft:turtle_egg",
    "lay_egg_sound": "lay_egg",
    "on_lay": {
      "event": "",
      "filters": {
        "AND": null,
        "NOT": null,
        "OR": null,
        "all": null,
        "all_of": null,
        "any": null,
        "any_of": null,
        "none_of": null
      },
      "target": "self"
    }
  }
}