Rule Language Reference

• Drools Rule Language (DRL)
• Drools Rule Language (DRL) is a notation established by the Drools open source business automation project for defining and describing business rules. You define DRL rules in .drl text files. A DRL file can contain one or more rules that define at a minimum the rule conditions (when) and actions (then).

DRL files consist of the following components:

Components in a DRL file
package
unit

import

declare