String chartData = (String) element.getParameterValue(PARAMETER_CHART_DATA);
String vars = "inline_data=" + chartData;
params.put(new PdfName("FlashVars"), new PdfString(vars));
instance.put(new PdfName("Params"), params);
instance.put(new PdfName("Asset"), swfRef.getIndirectReference());
PdfIndirectObject instanceRef = writer.addToBody(instance);
instances.add(instanceRef.getIndirectReference());
configuration.put(new PdfName("Instances"), instances);
PdfIndirectObject configurationRef = writer.addToBody(configuration);
configurations.add(configurationRef.getIndirectReference());