{
  "fields": [
    {
      "id": "block_type",
      "title": "Block Type",
      "description": "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).",
      "defaultValue": "air",
      "dataType": 2,
      "samples": {
        "/vanilla/behavior_pack/entities/snow_golem.json": [
          {
            "path": "/minecraft:entity/components/minecraft:trail/",
            "content": "minecraft:snow_layer"
          }
        ]
      }
    },
    {
      "id": "spawn_filter",
      "title": "Spawn Filter",
      "description": "One or more conditions that must be met in order to cause the chosen block type to spawn.",
      "dataType": 20,
      "samples": {
        "/vanilla/behavior_pack/entities/snow_golem.json": [
          {
            "path": "/minecraft:entity/components/minecraft:trail/",
            "content": {
              "test": "is_temperature_value",
              "operator": "<",
              "value": 0.81
            }
          }
        ]
      }
    },
    {
      "id": "spawn_offset",
      "title": "Spawn Offset",
      "description": "The distance from the entities 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(-/+).",
      "defaultValue": [
        0,
        0,
        0
      ],
      "dataType": 11
    }
  ],
  "description": "Causes an entity to leave a trail of blocks as it moves about the world.",
  "title": "Trail",
  "samples": {
    "/vanilla/behavior_pack/entities/snow_golem.json": [
      {
        "path": "/minecraft:entity/components/minecraft:trail/",
        "content": {
          "block_type": "minecraft:snow_layer",
          "spawn_filter": {
            "test": "is_temperature_value",
            "operator": "<",
            "value": 0.81
          }
        }
      }
    ]
  },
  "id": "minecraft:trail"
}