Rules Manager
The Appian Rules environment enables users to create a central repository of re-usable business rules to be used across the organization. Each rule is access-controlled allowing select users to modify individual rules. As rules are changed, new versions of the rule are created and older versions are stored for historical reference. Rules inside Appian go far beyond simple decision logic in a process step. Appian rules may be applied to any form element, process attribute, report, or even group membership. A rule can just as easily control how content is rendered in a report as well as dynamically determine the proper path of a process.



Rules Design
Rules are designed using simple Microsoft Excel-like expressions that are easy to understand for users familiar with Microsoft Office tools. The rule expression editor allows users to easily browse process data and apply functions that are already defined. Once defined, rules can quickly be tested to check rule logic and validate expression statements. Any rule defined can further be nested and re-used inside another rule, allowing for complex rule hierarchies to be formed.