Entity Documentation - Built-in Event list

Below is a list of all available Built-in Events within Minecraft: Bedrock Edition for use with Entity JSON files.

Built-in Event	Description
minecraft:entity_born	minecraft:entity_born triggers an event call on an entity when the entity is born via breeding.
minecraft:entity_spawned	minecraft:entity_spawned triggers an event call on an entity when the entity is spawned in the world.
minecraft:entity_transformed	minecraft:entity_transformed triggers an event call on an entity when transformed into another entity.
minecraft:on_prime	minecraft:on_prime triggers an event call on an entity when the entity is set to explode.