Declaring the emitters extension
To implement the XML report rendering extension, specify the org.eclipse.birt.report.engine.emitters extension point and add the extension element details.
How to specify the extension
1 On PDE Manifest Editor, choose Extensions.
2 In All Extensions, choose Add. New Extension—Extension Point Selection appears.
3 In Available extension points, select the following plug-in:
org.eclipse.birt.report.engine.emitters
Choose Finish.
4 In All Extensions, right-click the extension point, org.eclipse.birt.report.engine.emitters, and choose the extension element, emitter.
5 In Extension Element Details, specify the properties for the XML emitter extension element, emitter, as shown in Table 19‑6.
Table 19‑6 Property values for the XML emitter extension element 
Property
Value
class
org.eclipse.birt.report.engine.emitter.xml.XMLReportEmitter
format
xml
mimeType
xml
id
org.eclipse.birt.report.engine.emitter.xml