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![How to evaluate SAS expressions in PROC DS2 dynamically](https://blogs.sas.com/content/sgf/files/2023/08/1852072272-702x336.jpg)
Some readers read the article “how-to-evaluate-sas-expression-in-data-step-dynamically” and wonder if there is a same mechanism or functionality in DS2. As indicated in that article, SAS provides similar features in DATA step, PROC CAS and PROC Python, but some projects like ESP (Event Stream Processing) projects would store those expression definition in