name

zero or one 

Specifies the name string. 

unique-id

zero or one 

Specifies a unique system identifier. This data is automatically generated and updated at deployment/redeployment. Do not specify or edit this value. 

ejb

zero or more 

Defines runtime properties for a single enterprise bean within the application. 

pm-descriptors

zero or one 

Deprecated. 

cmp-resource

zero or one 

Specifies the database to be used for storing container-managed persistence (CMP) beans in an EJB JAR file. 

message-destination

zero or more 

Specifies the name of a logical message destination. 

webservice-description

zero or more 

Specifies a name and optional publish location for a web service.