Here you can find descriptions of the XML schema and DTD files, which you can use during application development:
appclient-j2ee-engine.xsd
application-j2ee-engine.xsd
application-service.dtd
connector-j2ee-engine.xsd
ejb-j2ee-engine.xsd
ejb-j2ee-engine_3_0.xsd
jms-resources.xsd
persistent.xsd
web-j2ee-engine.xsd
data-sources.dtd
data-source-aliases.dtd