https://community.appian.com/discussions/f/general/29464/cdt-mappingsHi All, Recently when we are trying to resolve Health Check UI highlighted issues for our application we got one Yellow warning as &quot; Array of primitive type detected &quot; There is one CDT type!TEST_CDT( id, name, documentId ) &lt;xsd:element maxOccursen-USTelligent Community 12https://community.appian.com/thread/116795?ContentTypeID=1Wed, 26 Jul 2023 00:22:48 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:6a0b7d6a-70b2-4779-beac-1ec76a9d3f7fMathieu Drouin<p>The warning is saying that you have an array of a primitive type (integer, text etc.).</p> <p>To remove the warning, you have 2 options:</p> <ul> <li>Remove the array and concatenate the values together in a text field with a delimiter.</li> <li>Your other option is to create a proper CDT to store the multiples with a foreign key to your primary table. i.e.: TEST_DOCUMENT(ID, testCdtID, documentId)</li> </ul><div style="clear:both;"></div>https://community.appian.com/thread/116754?ContentTypeID=1Tue, 25 Jul 2023 15:07:06 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:ad0a7f2f-08d6-4963-9ef9-c971b86bf423Stefan Helzle<p>This is automatically stored in a separate table as a relational DB cannot store multiple values in a single field.</p><div style="clear:both;"></div>