Entity Documentation - minecraft:trail

minecraft:trail causes an entity to leave a trail of blocks as it moves about the world.

Parameters

Name	Default Value	Type	Description
block_type	"air"	String	The type of block you wish to be spawned by the entity as it move about the world. Solid blocks may not be spawned at an offset of (0,0,0).
spawn_filter	not set	Minecraft Filter	One or more conditions that must be met in order to cause the chosen block type to spawn.
spawn_offset	[0, 0, 0]	Vector [a, b, c]	The distance from the entity's current position to spawn the block. Capped at up to 16 blocks away. The X value is left/right(-/+), the Z value is backward/forward(-/+), the Y value is below/above(-/+).

Example

"minecraft:trail": {
    "block_type": "air",
    "spawn_filter": {"test":"is_daytime", "value": true},
    "spawn_offset": [0, 0, 0]
}

Vanilla entities examples

snow_golem

"minecraft:trail": {
        "block_type": "minecraft:snow_layer",
        "spawn_filter": { "test": "is_temperature_value", "operator": "<", "value": 0.81 }
      }

Vanilla entities using minecraft:trail

• snow_golem