Question3Replies122Views Nikhil_Agarwal Member since 2015 37 posts Posted: 3 years agoLast activity: 3 years 1 month ago Closed LSA Quiz : Declarative ProcessingHi,Can someone tell me why 1st is correct and not 2nd?Thanks Pega Academy ×Close popoverFacebookTwitterLinkedinEmail Copy Link Copied! Moderation Team has archived post This thread is closed to future replies. Content and links will no longer be updated. If you have the same/similar Question, please write a new Question. Posted: 3 years agoAma_deus Amadeus replied to Nikhil_AgarwalBackward chaining does not require the changes to be tracked. Its executed whenever the property is used. Posted: 3 years agoJIBRANS4 INCESSANT TECHNOLOGIES replied to Nikhil_AgarwalHi Nikhil, Please go through this link once. It may suffice your answer. https://pdn.pega.com/community/product-support/question/backward-chaini… Posted: 3 years agoPratik_Agarwal Aaseya IT Services Pvt. Ltd. replied to JIBRANS4In forward chaining the computations are done even if the properties are not used, So the changes in the dependent properties has to be tracked which is not the case for backward chaining.