public String getUserPool() {
        return this.userPool;
    }
<p>
An identifier for a user pool. The user pool must be in the same region as the service that you are calling.
</p>

@return An identifier for a user pool. The user pool must be in the same region as the service that you are
        calling.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/CognitoMemberDefinition.java