public OptimizationObjective withItemAttribute(String itemAttribute) {
        setItemAttribute(itemAttribute);
        return this;
    }
<p>
The numerical metadata column in an Items dataset related to the optimization objective. For example,
VIDEO_LENGTH (to maximize streaming minutes), or PRICE (to maximize revenue).
</p>

@param itemAttribute
       The numerical metadata column in an Items dataset related to the optimization objective. For example,
       VIDEO_LENGTH (to maximize streaming minutes), or PRICE (to maximize revenue).
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-personalize/src/main/java/com/amazonaws/services/personalize/model/OptimizationObjective.java