API Reference > frontend-Authorization-client > Authorization > FrontendAuthorizationClient FrontendAuthorizationClient Interface Beta Extends AuthorizationClient Implemented by BrowserAuthorizationClient Methods Name Description signIn(requestContext?: ClientRequestContext): Promise<void> Called to start the sign-in process. signOut(requestContext?: ClientRequestContext): Promise<void> Called to start the sign-out process. Inherited methods Name Inherited from Description getAccessToken(requestContext?: ClientRequestContext): Promise<AccessToken> AuthorizationClient Get the AccessToken of the currently authorized user. Properties Name Type Description hasSignedIn Readonly boolean Set to true if signed in - the accessToken may be active or may have expired and require a refresh onUserStateChanged Readonly BeEvent<(token: undefined | AccessToken) => void> Event called when the user's sign-in state changes - this may be due to calls to signIn(), signOut() or simply because the token expired Inherited properties Name Type Inherited from Description isAuthorized Readonly boolean AuthorizationClient is the user currently authorized? Defined in frontend-authorization/src/FrontendAuthorizationClient.ts Line 14 Last Updated: 29 November, 2022