BIRT: How do I include a JAR in the report?

In the BIRT book "Integrating and Extending BIRT" (2nd edition, p. 296), I've found this little piece of text:

BIRT searches locations for external classes in the order shown in t开发者_如何学编程he following list:

[...]

• JAR files that are included in the report design.

How do I include a JAR file in the report design?

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Under the report's properties (lower-right of the IDE) you can look down the list of available sub-groups and find "Resources". Inside this group you can specify JARS that are to be available to the report at run-time.