No. Expression Language cannot have arguments. But there is an exception to this rule which is for the managed beans that are created as instances of HashMap and for resource bundles. For example, if we have a managed bean instance “pairs” for HashMap, then we can use the below syntax to get its values. #{pairs[‘key’]};
Below is the procedure to create custom functions in OPA (Oracle Policy Automation). Copy the determinations-engine.jar file to library path from OPA (the file exists under the path <project>Releaseweb-determinationsWEB-INFlib) Create a java class by extending the class “CustomFunction”. Note that a separate class is required to define for every custom function to be used in OPA Overwrite the “evaluate” method…