[Home](./index.md) > [@firebase/auth](./auth.md) > [Dependencies](./auth.dependencies.md) > [popupRedirectResolver](./auth.dependencies.popupredirectresolver.md) ## Dependencies.popupRedirectResolver property The [PopupRedirectResolver](./auth.popupredirectresolver.md) to use. This value depends on the platform. Options are [browserPopupRedirectResolver](./auth.browserpopupredirectresolver.md) and . This field is optional if neither [signInWithPopup()](./auth.signinwithpopup.md) or [signInWithRedirect()](./auth.signinwithredirect.md) are being used. Signature: ```typescript popupRedirectResolver?: PopupRedirectResolver; ```