public String getClientToken() {
        return this.clientToken;
    }
<p>
A token that you provide to identify the request to create an index. Multiple calls to the
<code>CreateIndex</code> API with the same client token will create only one index.
</p>

@return A token that you provide to identify the request to create an index. Multiple calls to the
        <code>CreateIndex</code> API with the same client token will create only one index.
aws-java-sdk-kendra/src/main/java/com/amazonaws/services/kendra/model/CreateIndexRequest.java