Spawn Egg

You can create spawn eggs for your custom entities using the entity_summoner behaviour.

Example

Modern (Recommended)

items:
  happy_creeper_spawn_egg:
    name: Happy Creeper Spawn Egg
    graphics:
      texture: item/happy_creeper_spawn_egg
    behaviours:
      entity_summoner:
        entity: happy_creeper

Old (1.21.3 and lower)