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MetadataInspector.getParameterMetadata() method

Get the metadata associated with the given key for a parameter of a given method by index


static getParameterMetadata<T>(key: MetadataKey<T, ParameterDecorator>, target: Object, methodName: string, index: number, options?: InspectionOptions): T | undefined;


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 (Optional) Options for inspection


T | undefined