public void setUserPoolName(String userPoolName) {
        this.userPoolName = userPoolName;
    }
<p>
The Amazon Cognito user pool name.
</p>

@param userPoolName
       The Amazon Cognito user pool name.
aws-java-sdk-amplifybackend/src/main/java/com/amazonaws/services/amplifybackend/model/CreateBackendAuthUserPoolConfig.java