public java.util.List<String> getAllowedColumns() {
        return allowedColumns;
    }
<p>
The columns of the underlying table that can be used by collaborations or analysis rules.
</p>

@return The columns of the underlying table that can be used by collaborations or analysis rules.
aws-java-sdk-cleanrooms/src/main/java/com/amazonaws/services/cleanrooms/model/CreateConfiguredTableRequest.java