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Editing Application References 
You can specify
references to other applications, libraries, services, or interfaces. By doing
this, an application can reuse the resources of existing components. For more
information, see
Application
References.
For the DTD, see
application-j2ee-engine.dtd.
You have opened the multipage editor. See Editing application-j2ee-engine.xml.
1. Choose the General tab and select the References node.
2. Choose Add.
3. If you want to specify a new reference choose Create new.
If you want to select from a list, choose Select library/interface/service or Select application as appropriate. When you have selected, choose OK.
4. In the entry fields that have appeared to the right in the pane, enter the required information.
1. Choose the General tab
2. Under the References node, select the reference.
3. Choose Remove.

On the Source tab:

