Question1Replies36Views AlexanderR7329 Member since 2017 5 posts American Express Posted: August 7, 2017Last activity: August 28, 2017 Closed Solved KeylistHello,I am currently making changes to a Data Transform and see the below format:.claimList(1).format .claimList(1).claim.type .claimList(1).claim.claimData.keyList(1) .claimList(1).claim.claimData.valueList(1) .claimList(2).format .claimList(2).claim.type .claimList(2).claim.claimData.keyList(1) .claimList(2).claim.claimData.valueList(1) etc. I am unfamiliar with this format and never came across a keylist before. What is the purpose of a keylist in Pega?***Edited by moderator, Maryrita: moved to Product Support from Applications******Updated by moderator: Lochan to add Categories*** Data Integration ×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. Accepted Solution Posted: 3 years agoShekhar_Shubham PEGA replied to AlexanderR7329Hi, You could read the below discussion regarding keyed data page within an Activity or Data Transform should be helpful https://pdn.pega.com/community/product-support/question/how-do-we-access-keyed-data-page-within-activity-or-data Thank You.