API Reference > backend-itwin-client > Authentication > DelegationAuthorizationClient DelegationAuthorizationClient Class Beta Utility to generate delegation OAuth or legacy SAML tokens for backend applications Extends BackendAuthorizationClient Methods Name Description constructor(configuration: BackendAuthorizationClientConfiguration): DelegationAuthorizationClient Creates an instance of BackendAuthorizationClient. getJwtFromJwt(requestContext: ClientRequestContext, accessToken: AccessToken): Promise<AccessToken> Get a delegation JWT for a new scope from another JWT getJwtFromSaml(requestContext: ClientRequestContext, samlToken: SamlAccessToken): Promise<AccessToken> Get a JWT for the specified scope from a SAML token getSamlFromJwt(requestContext: ClientRequestContext, accessToken: AccessToken): Promise<SamlAccessToken> Get a SAML token for the specified scope from a JWT token Inherited methods Name Inherited from Description applyUserConfiguredHttpRequestOptions(requestOptions: RequestOptions, userDefinedRequestOptions?: HttpRequestOptions): void Protected BackendAuthorizationClient Configures request options based on user defined values in HttpRequestOptions delete(requestContext: AuthorizedClientRequestContext, relativeUrlPath: string, httpRequestOptions?: HttpRequestOptions): Promise<void> Protected BackendAuthorizationClient used by clients to send delete requests discoverEndpoints(requestContext: ClientRequestContext): Promise<Issuer<Client>> BackendAuthorizationClient Discover the endpoints of the service getClient(requestContext: ClientRequestContext): Promise<Client> Protected BackendAuthorizationClient getUrl(requestContext: ClientRequestContext): Promise<string> BackendAuthorizationClient Gets the URL of the service. getUrlSearchKey(): string Protected BackendAuthorizationClient Gets name/key to query the service URLs from the URL Discovery Service ("Buddi") setupOptionDefaults(options: RequestOptions): Promise<void> Protected BackendAuthorizationClient Augments request options with defaults returned by the DefaultRequestOptionsProvider. Inherited properties Name Type Inherited from Description _configuration Protected BackendAuthorizationClientConfiguration BackendAuthorizationClient _url Protected undefined | string BackendAuthorizationClient baseUrl Protected undefined | string BackendAuthorizationClient Sets the default base URL to use with this client. searchKey StaticReadonly string BackendAuthorizationClient Defined in core/backend-itwin-client/src/oidc/DelegationAuthorizationClient.ts Line 40 Last Updated: 29 November, 2022