<?xml version="1.0" encoding="UTF-8" ?>
<?xml-stylesheet type="text/xsl" href="https://community.appian.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>Expression rule</title><link>https://community.appian.com/discussions/f/new-to-appian/24605/expression-rule</link><description>Hi, 
 can anyone let me know 
 can we use update dictionary in expression rule 
 if so let me know how to do it 
 
 for example am querying data using one CDT, will get some vales those values in the same expression rule i have to update it to another</description><dc:language>en-US</dc:language><generator>Telligent Community 12</generator><item><title>RE: Expression rule</title><link>https://community.appian.com/thread/95123?ContentTypeID=1</link><pubDate>Mon, 16 May 2022 11:53:48 GMT</pubDate><guid isPermaLink="false">d3a83456-d57b-489c-a84c-4e8267bb592a:27ecf46e-6b9a-4a3e-9ec8-ec64ee92a6dc</guid><dc:creator>Harshit Bumb (Appyzie)</dc:creator><description>&lt;p&gt;Yes. Please use a!update() function.&amp;nbsp;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>