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MultiFactorAssertion

abstract class MultiFactorAssertion

Known direct subclasses
PhoneMultiFactorAssertion

Asserts ownership of a phone number second factor.
TotpMultiFactorAssertion

Asserts ownership of a TOTP second factor.

Represents an assertion that the Firebase Authentication server can use to authenticate a user as part of a multi-factor flow.

Summary

Public constructors

Public functions
abstract String

Returns the factor id that this assertion is for.

Public constructors

MultiFactorAssertion

MultiFactorAssertion()

Public functions

getFactorId

abstract fun getFactorId(): String

Returns the factor id that this assertion is for.

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Last updated 2026-05-08 UTC.

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