API Reference > imodeljs-clients > iModelHubClient > IModelBaseHandler > postInstances postInstances Method Post multiple strongly typed instances. Sends a request body with WSG instances. postInstances<T extends WsgInstance>(requestContext: AuthorizedClientRequestContext, typedConstructor: { T }, relativeUrlPath: string, instances: T extends WsgInstance[], requestOptions?: WsgRequestOptions): Promise<T extends WsgInstance[]> 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 extends WsgInstance[] Strongly typed instances to be posted. requestOptions WsgRequestOptions WSG options for the request. Returns - Promise<T extends WsgInstance[]> The posted instances that's returned back from the server. Defined in core/clients/src/imodelhub/BaseHandler.ts Line 182 Last Updated: 13 June, 2024