Read the

Rule Specification Guide

to learn how to configure rule specifications in Informatica Analyst. A rule specification is an object that represents the data requirements of a business rule in logical form. You can add a rule specification to a mapping in Informatica Developer to verify that the source data in the mapping conforms to the criteria that the business rule specifies. You can also generate mapplets from a rule specification and use the mapplets in mappings in Informatica Developer.