Rule resolution process in pega

What is the Rule resolution process in Pega?

Rule resolution is a search algorithm for the Pega process commander to find the most appropriate rule instance of a rule to execute in any situation. This is an internal background process of the Pega rules process commander.

What are the inputs for the Rule resolution process?

The process commander needs the below inputs to perform the rule resolution algorithm and to return the best match for the situation.

Ruleset stack in pega

What is the ruleset stack in Pega?

Ruleset list or stack is assembled by Pega when the user logs into the application and ruleset stack are used during the rule resolution process. Rule resolution will be looking into the ruleset stack in a specific order so the order is important. Top Ruleset takes the highest precedence.

How Pega will assemble the Ruleset stack?

Pega Ruleset

What is the order in which the Rule setlist is constructed?
Requestor, Organization, Division, Access Group is the order in which this list is constructed.
In the access group, the Application rule setlist is at the bottom and the Production Ruleset is on top of it. It follows Top-down approach.

Pega Ruleset Validation-AV and RV

Ruleset validation

Ruleset validation is being performed each and whenever a rule is saved. It ensures that referenced rules are accessible on the target system when the ruleset is advanced. 

Ruleset validation doesn't influence rule resolution at the run time however it is applied at design time.