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Home > @loopback/metadata > DecoratorFactory > _createDecorator
DecoratorFactory._createDecorator() method
Create a decorator function
Signature:
protected static _createDecorator<S, MT extends S | MetadataMap<S> | MetadataMap<S[]>, DT extends DecoratorType>(key: MetadataKey<S, DT>, spec: S, options?: DecoratorOptions): DT;
Parameters
| Parameter | Type | Description |
|---|---|---|
| key | [MetadataKey](/doc/en/lb4/apidocs.metadata.metadatakey.html)<S, DT> | Metadata key |
| spec | S | Metadata object from the decorator function |
| options | [DecoratorOptions](/doc/en/lb4/apidocs.metadata.decoratoroptions.html) | _(Optional)_ Options for the decorator |
Returns:
DT