Question4Replies3647Views SamL84 Member since 2018 22 posts Health First Posted: 2 years agoLast activity: 2 years 1 month ago Closed Solved How to call/reference a rule from another class?Hi,I have a data transform in one class and I want it to call an activity from another class. How can I do that? Low-Code App Development Low-Code App Development Dev/Designer Studio ×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: 2 years agoSusanLiu_GCS PEGA replied to SamL84You can define a Clipboard page name associated with another class under "Pages & Classes" tab in Data Transform rule. Then you can use PageName.xxxx to access it under "Definition" tab. See below pdn link: https://community1.pega.com/sites/pdn.pega.com/files/help_v719/procomhelpmain.htm#rule-/rule-obj-/rule-obj-model/pagesandclasses.htm Example: OOTB Data Transform "pyBuildListRemoveAll" . Posted: 2 years agoGayatri incessant replied to SamL84You can use callactivity function EX: call activity(Your page name, your activity name, parameter page if exists) In your page name you can specify your activity class in pages and classes and you can use that temp page Accepted Solution Posted: 2 years agoRaveendra Incessant technologies pvt ltd replied to SamL84Define a page in pages and classes tab and give that page as a step page and call your activity which is in another class Posted: 2 years agoRaveendra Incessant technologies pvt ltd replied to SamL84Could you please try whatever i suggested and let me know if you need any help.