https://community.appian.com/discussions/f/general/19902/why-cdt-has-no-securityI was going through Appian Documentation and found that CDT has no security. Can someone explain about it in details. That will be really helpful.en-USTelligent Community 12https://community.appian.com/thread/77769?ContentTypeID=1Wed, 11 Nov 2020 09:49:34 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:228b7e68-0302-446c-bb7d-8ba2ff825f60Richard Michaelis<p>Why would you need security for cdt? Do you have a use case in mind?<br />CDTs are a &quot;structure for data&quot;.&nbsp;<br /><br />Sytsem Users have no acces to it directly. Just Appian Designers. They use it like a tool. you can compare it more to a function from appian.<br />security settings are to manage user access. What kind of user should have acces to a specific area. <br />The access for cdt&nbsp;is predefined for cdt.<br /><br />The following link should give you an insight, how appian deals with cdt sceurity.<br /><a href="https://docs.appian.com/suite/help/20.3/Custom_Data_Types.html">docs.appian.com/.../Custom_Data_Types.html</a></p><div style="clear:both;"></div>