@Override
public String toString(AbstractWmlConversionContext context, FldSimpleModel model) throws TransformerException {
// First, get the value
DocPropertyResolver dpr = new DocPropertyResolver(context.getWmlPackage());
List<String> params = model.getFldParameters();
//String key = params.get(0);
String key = model.getFldParameterString();
try {
String value = dpr.getValue(key).toString();
log.debug("= " + value);
return FormattingSwitchHelper.applyFormattingSwitch(context.getWmlPackage(), model, value);
} catch (FieldValueException e) {
if (e.getMessage().contains("No value found for DOCPROPERTY PAGES")) {// TODO improve this