API Reference > imodelhub-client > iModelHubClient > IModelBaseHandler IModelBaseHandler Class This class acts as the WsgClient for other iModelHub Handlers. Extends WsgClient Methods Name Description delete(requestContext: AuthorizedClientRequestContext, relativeUrlPath: string, httpRequestOptions?: HttpRequestOptions): Promise<void> Send a delete request. deleteInstance<T extends WsgInstance<T>>(requestContext: AuthorizedClientRequestContext, relativeUrlPath: string, instance?: T, requestOptions?: WsgRequestOptions): Promise<void> Delete a strongly typed instance. getInstances<T extends WsgInstance<T>>(requestContext: AuthorizedClientRequestContext, typedConstructor: () => T, relativeUrlPath: string, queryOptions?: RequestQueryOptions, httpRequestOptions?: HttpRequestOptions): Promise<T[]> Get multiple strongly typed instances. getInstancesChunk<T extends WsgInstance<T>>(requestContext: AuthorizedClientRequestContext, url: string, chunkedQueryContext: undefined | ChunkedQueryContext, typedConstructor: () => T, queryOptions?: RequestQueryOptions, httpRequestOptions?: HttpRequestOptions): Promise<T[]> Get a chunk of strongly typed instances. postInstance<T extends WsgInstance<T>>(requestContext: AuthorizedClientRequestContext, typedConstructor: () => T, relativeUrlPath: string, instance: T, requestOptions?: WsgRequestOptions, httpRequestOptions?: HttpRequestOptions): Promise<T> Post a strongly typed instance. postInstances<T extends WsgInstance<T>>(requestContext: AuthorizedClientRequestContext, typedConstructor: () => T, relativeUrlPath: string, instances: T[], requestOptions?: WsgRequestOptions, httpRequestOptions?: HttpRequestOptions): Promise<T[]> Post multiple strongly typed instances. postQuery<T extends WsgInstance<T>>(requestContext: AuthorizedClientRequestContext, typedConstructor: () => T, relativeUrlPath: string, queryOptions: RequestQueryOptions, httpRequestOptions?: HttpRequestOptions): Promise<T[]> Get multiple strongly typed instances. use(func: HttpRequestOptionsTransformer): void Adds a method that will be called for every request to modify HttpRequestOptions. Beta Inherited methods Name Inherited from Description applyUserConfiguredHttpRequestOptions(requestOptions: RequestOptions, userDefinedRequestOptions?: HttpRequestOptions): void Protected WsgClient Configures request options based on user defined values in HttpRequestOptions Properties Name Type Description _agent Protected any _fileHandler Protected undefined | FileHandler _url Protected undefined | string configRelyingPartyUri StaticReadonly "imjs_imodelhub_relying_party_uri" Inherited properties Name Type Inherited from Description apiVersion string WsgClient baseUrl Protected undefined | string WsgClient Sets the default base URL to use with this client. configHostRelyingPartyUri StaticReadonly "imjs_default_relying_party_uri" WsgClient configUseHostRelyingPartyUriAsFallback StaticReadonly "imjs_use_default_relying_party_uri_as_fallback" WsgClient Defined in clients/imodelhub/src/imodelhub/BaseHandler.ts Line 70 Last Updated: 29 November, 2022