//[passport](../../../index.md)/[com.yandex.passport.api](../index.md)/[PassportProperties](index.md)/[assertionDelegate](assertion-delegate.md)

# assertionDelegate

[passport]\
abstract val [assertionDelegate](assertion-delegate.md): [PassportAssertionDelegate](../-passport-assertion-delegate/index.md)?

Delegate, allowing to override default assertion failure behaviour.
