public UpdateRelatedItemsRequest withRelatedItemsUpdate(RelatedItemsUpdate relatedItemsUpdate) {
        setRelatedItemsUpdate(relatedItemsUpdate);
        return this;
    }
<p>
Details about the item that you are add to, or delete from, an incident.
</p>

@param relatedItemsUpdate
       Details about the item that you are add to, or delete from, an incident.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ssmincidents/src/main/java/com/amazonaws/services/ssmincidents/model/UpdateRelatedItemsRequest.java