public void setItems(java.util.Collection<Item> items) {
        if (items == null) {
            this.items = null;
            return;
        }

        this.items = new java.util.ArrayList<Item>(items);
    }
<p>
A list of item data.
</p>

@param items
       A list of item data.
aws-java-sdk-personalizeevents/src/main/java/com/amazonaws/services/personalizeevents/model/PutItemsRequest.java