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<?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>Handling updated CDT in active instance</title><link>https://community.appian.com/discussions/f/process/20905/handling-updated-cdt-in-active-instance</link><description>Hi, I have a question regarding accessibility of an updated CDT in active instances of Parent Process (PM1) which exists prior to deployment. 
 Scenario: I have a CDT which has 3 new columns. My process models flow is as below: Process Model (PM1) --</description><dc:language>en-US</dc:language><generator>Telligent Community 12</generator><item><title>RE: Handling updated CDT in active instance</title><link>https://community.appian.com/thread/81413?ContentTypeID=1</link><pubDate>Thu, 06 May 2021 13:19:46 GMT</pubDate><guid isPermaLink="false">d3a83456-d57b-489c-a84c-4e8267bb592a:34b7c9c8-dec4-45db-b9e5-46a07cf90a4a</guid><dc:creator>Justin Samuel</dc:creator><description>&lt;p&gt;Thanks Stefan! Appreciate your response!&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Handling updated CDT in active instance</title><link>https://community.appian.com/thread/81411?ContentTypeID=1</link><pubDate>Thu, 06 May 2021 06:18:11 GMT</pubDate><guid isPermaLink="false">d3a83456-d57b-489c-a84c-4e8267bb592a:71a16e89-7a0d-409e-8c04-9565520f561e</guid><dc:creator>Stefan Helzle</dc:creator><description>&lt;p&gt;CDT versions are not updated in active process instances and there is no way of achieving this. This is one reason why it is best practice to implement short living processes and not have a design with a long-living master process and lots of synchronous sub-processes.&lt;/p&gt;
&lt;p&gt;There are lots of discussions about how to work around this.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>