https://community.appian.com/discussions/f/user-interface/35354/server-call-on-each-user-interaction-on-sailHi, As per SAIL documentation ( https://docs.appian.com/suite/help/24.2/SAIL_Performance.html ) it will go for server for new UI rendering. Is it fetch call for the DB query to populate the local variables? Now, a problem is small colour change on UIen-USTelligent Community 12https://community.appian.com/thread/137416?ContentTypeID=1Mon, 01 Jul 2024 08:26:51 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:dea8f2cf-4232-4af5-af1e-d1f9c393aa01Stefan Helzle<p>Appian UI state change happens on the server only. You can not do anything to change that. IMHO, this is one of the best features of Appian, as it provides a highly secure platform where zero logic is run on the untrusted client.</p><div style="clear:both;"></div>