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Home > @loopback/metadata > MetadataInspector > getParameterMetadata
MetadataInspector.getParameterMetadata() method
Get the metadata associated with the given key for a parameter of a given method by index
Signature:
static getParameterMetadata<T>(key: MetadataKey<T, ParameterDecorator>, target: Object, methodName: string, index: number, options?: InspectionOptions): T | undefined;
Parameters
| Parameter | Type | Description |
|---|---|---|
| key | MetadataKey<T, ParameterDecorator> | Metadata key |
| target | Object | Class for static methods or prototype for instance methods |
| methodName | string | Method name. If not present, default to ‘’ to use the constructor |
| index | number | Index of the parameter, starting with 0 |
| options | InspectionOptions | Options for inspection |
Returns:
T | undefined