public boolean save(final YubiKeyAccount registration) {
        val values = buildTableAttributeValuesMap(registration);
        val putItemRequest = PutItemRequest.builder().tableName(dynamoDbProperties.getTableName()).item(values).build();
        LOGGER.debug("Submitting put request [{}] for record [{}]", putItemRequest, registration);
        val putItemResult = amazonDynamoDBClient.putItem(putItemRequest);
        LOGGER.debug("Record added with result [{}]", putItemResult);
        return true;
    }
Save.

@param registration the registration
@return true/false
support/cas-server-support-yubikey-dynamodb/src/main/java/org/apereo/cas/adaptors/yubikey/dao/DynamoDbYubiKeyFacilitator.java