public void setEmailMessage(String emailMessage) {
        this.emailMessage = emailMessage;
    }
<p>
The template for email messages that Amazon Cognito sends to your users. You can set an <code>EmailMessage</code>
template only if the value of <a href=
"https://docs.aws.amazon.com/cognito-user-identity-pools/latest/APIReference/API_EmailConfigurationType.html#CognitoUserPools-Type-EmailConfigurationType-EmailSendingAccount"
> EmailSendingAccount</a> is <code>DEVELOPER</code>. When your <a href=
"https://docs.aws.amazon.com/cognito-user-identity-pools/latest/APIReference/API_EmailConfigurationType.html#CognitoUserPools-Type-EmailConfigurationType-EmailSendingAccount"
>EmailSendingAccount</a> is <code>DEVELOPER</code>, your user pool sends email messages with your own Amazon SES
configuration.
</p>

@param emailMessage
       The template for email messages that Amazon Cognito sends to your users. You can set an
       <code>EmailMessage</code> template only if the value of <a href=
       "https://docs.aws.amazon.com/cognito-user-identity-pools/latest/APIReference/API_EmailConfigurationType.html#CognitoUserPools-Type-EmailConfigurationType-EmailSendingAccount"
       > EmailSendingAccount</a> is <code>DEVELOPER</code>. When your <a href=
       "https://docs.aws.amazon.com/cognito-user-identity-pools/latest/APIReference/API_EmailConfigurationType.html#CognitoUserPools-Type-EmailConfigurationType-EmailSendingAccount"
       >EmailSendingAccount</a> is <code>DEVELOPER</code>, your user pool sends email messages with your own
       Amazon SES configuration.
aws-java-sdk-cognitoidp/src/main/java/com/amazonaws/services/cognitoidp/model/VerificationMessageTemplateType.java