Builder

The template for the email messages that your user pool sends to users with codes for MFA and sign-in with email OTPs. The message must contain the {####} placeholder. In the message, Amazon Cognito replaces this placeholder with the code. If you don't provide this parameter, Amazon Cognito sends messages in the default format.

The subject of the email messages that your user pool sends to users with codes for MFA and email OTP sign-in.