public String getIdempotencyToken() {
        return this.idempotencyToken;
    }
<p>
A token ensuring that the operation is called only once with the specified details.
</p>

@return A token ensuring that the operation is called only once with the specified details.
aws-java-sdk-ssmcontacts/src/main/java/com/amazonaws/services/ssmcontacts/model/CreateContactRequest.java