API Reference > imodeljs-clients > iTwinServiceClients > RequestOptions RequestOptions Interface Beta Properties Name Type Description accept undefined | string agent undefined | https.Agent auth undefined | RequestBasicCredentials body undefined | any buffer undefined | any errorCallback undefined | (response: any) => ResponseError headers undefined | any method string parser undefined | any progressCallback undefined | (progress: ProgressInfo) => void qs any | RequestQueryOptions readStream undefined | any redirects undefined | number responseType undefined | string retries undefined | number retryCallback undefined | (error: any, response: any) => boolean stream undefined | any timeout undefined | RequestTimeoutOptions useCorsProxy undefined | false | true Defined in core/clients/src/Request.ts Line 92 Last Updated: 13 June, 2024