[Home](./index.md) > [@firebase/auth](./auth.md) > [PhoneMultiFactorSignInInfoOptions](./auth.phonemultifactorsignininfooptions.md) > [session](./auth.phonemultifactorsignininfooptions.session.md) ## PhoneMultiFactorSignInInfoOptions.session property The [MultiFactorSession](./auth.multifactorsession.md) obtained via [MultiFactorResolver.session](./auth.multifactorresolver.session.md). Signature: ```typescript session: MultiFactorSession; ```