public CustomVocabularyEntryId withItemId(String itemId) {
        setItemId(itemId);
        return this;
    }
<p>
The unique item identifier for the custom vocabulary items.
</p>

@param itemId
       The unique item identifier for the custom vocabulary items.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/CustomVocabularyEntryId.java