featureMetadata

```
featureMetadata(tag: string): FeatureMetadata
```
Return metadata (name, description, and whether it's required) for an OpenType feature by its tag.
Parameters
- ```
tag: string
```
  The feature tag to look up metadata for.
Returns FeatureMetadata
The feature's metadata, if found. in the database. If not, the name and description will be null and required will be false.
- Defined in feature-metadata.ts:19