public FeatureMetadata withParameters(FeatureParameter... parameters) {
        if (this.parameters == null) {
            setParameters(new java.util.ArrayList<FeatureParameter>(parameters.length));
        }
        for (FeatureParameter ele : parameters) {
            this.parameters.add(ele);
        }
        return this;
    }
<p>
Optional key-value pairs that you specify to better describe the feature.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setParameters(java.util.Collection)} or {@link #withParameters(java.util.Collection)} if you want to
override the existing values.
</p>

@param parameters
       Optional key-value pairs that you specify to better describe the feature.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/FeatureMetadata.java