API Reference > imodelhub-client > iModelHubClient > IModelBaseHandler > postInstances postInstances Method Post multiple strongly typed instances. Sends a request body with WSG instances. postInstances<T extends WsgInstance<T>>(requestContext: AuthorizedClientRequestContext, typedConstructor: () => T, relativeUrlPath: string, instances: T[], requestOptions?: WsgRequestOptions, httpRequestOptions?: HttpRequestOptions): Promise<T[]> Parameter Type Description requestContext AuthorizedClientRequestContext The client request context typedConstructor () => T Used to construct the resulting instances from the response. relativeUrlPath string Relative path to the REST resource. instances T[] Strongly typed instances to be posted. requestOptions WsgRequestOptions WSG options for the request. httpRequestOptions HttpRequestOptions Additional options for the HTTP request. Returns - Promise<T[]> The posted instances that's returned back from the server. Defined in clients/imodelhub/src/imodelhub/BaseHandler.ts Line 243 Last Updated: 12 June, 2024