{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "featureIdAttribute.schema.json",
    "title": "Feature ID Attribute in EXT_mesh_features",
    "type": "integer",
    "minimum": 0,
    "description": "An integer value used to construct a string in the format `_FEATURE_ID_<set index>` which is a reference to a key in `mesh.primitives.attributes` (e.g. a value of `0` corresponds to `_FEATURE_ID_0`)."
}