A schema containing classes and enums.
    
See the 3D Metadata Specification for 3D Tiles
| Name | Type | Description | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| options | object | Object with the following properties: 
 | 
Experimental
This feature is using part of the 3D Tiles spec that is not final and is subject to change without Cesium's standard deprecation policy.
Members
readonly classes : Object.<string, MetadataClass>
    Classes defined in the schema.
    The description of the schema.
readonly enums : Object.<string, MetadataEnum>
    Enums defined in the schema.
    An object containing extensions.
    Extra user-defined properties.
    The ID of the schema.
    The name of the schema.
    The application-specific version of the schema.
