moss_ceiling_snap_to_ceiling_feature.json

{
  "format_version": "1.16.0",
  "minecraft:snap_to_surface_feature": {
    "description": {
      "identifier": "minecraft:moss_ceiling_snap_to_ceiling_feature"
    },
    "feature_to_snap": "minecraft:moss_ceiling_feature",
    "vertical_search_range": 12,
    "surface": "ceiling"
  }
}