3.7. The MVEL Provider
The MVEL provider allows you to define rules as MVEL expressions. These expressions are executed over the contents of the Smooks Javabean context. You should to bind data from the message being filtered into Java objects in the Smooks bean context.
MVEL allows you to define more complex rules on message fragments. (Such as "Is the product in the targeted order item fragment within the age eligibility constraints of the customer specified in the order header details?")
