Working with external libraries
You can import and use external libraries in your decision services. External libraries
allow you to enrich your data model and extend rule authoring with custom data types and functions
from Java™ libraries.
External libraries provide the business vocabulary that is used to author rules. An external library depends on one or more Java archives. These Java archives can have dependencies on other Java archives, as shown in the following diagram:

For a complete example of how to build and integrate an external
library in a decision service, see the Using an external library detailed tutorial available on GitHub
.