<Callout warning>

Federated sign-in does not invoke any [Custom authentication challenge Lambda triggers](https://docs.aws.amazon.com/cognito/latest/developerguide/user-pool-lambda-challenge.html), [Migrate user Lambda trigger](https://docs.aws.amazon.com/cognito/latest/developerguide/user-pool-lambda-migrate-user.html), [Custom message Lambda trigger](https://docs.aws.amazon.com/cognito/latest/developerguide/user-pool-lambda-custom-message.html), or [Custom sender Lambda triggers](https://docs.aws.amazon.com/cognito/latest/developerguide/user-pool-lambda-custom-sender-triggers.html) in your user pool. 
For information on the supported Lambda triggers refer to the [AWS documentation](https://docs.aws.amazon.com/cognito/latest/developerguide/cognito-user-identity-pools-working-with-aws-lambda-triggers.html#lambda-triggers-for-federated-users) 

</Callout>