public void setParameterAdditions(java.util.Collection<FeatureParameter> parameterAdditions) {
        if (parameterAdditions == null) {
            this.parameterAdditions = null;
            return;
        }

        this.parameterAdditions = new java.util.ArrayList<FeatureParameter>(parameterAdditions);
    }
<p>
A list of key-value pairs that you can add to better describe the feature.
</p>

@param parameterAdditions
       A list of key-value pairs that you can add to better describe the feature.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/UpdateFeatureMetadataRequest.java