https://community.appian.com/discussions/f/integrations/21655/database-view-in-a-web-apiI&#39;m trying to expose a view from the Appian DB via a Web API. The Web API requires a Data Store Entity Constant. So I try to create a constant with a Data Store Entity type, but I need a Data Store Entity created with the View Data Type. I create theen-USTelligent Community 12https://community.appian.com/thread/84686?ContentTypeID=1Tue, 17 Aug 2021 17:14:25 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:3141b283-f521-4e8e-91b0-a64e4a61743chere2learn<p>I looked at that but didn&#39;t see anywhere that a view needed to have a unique identifier as well in order for it to be added to a Data Store.</p><div style="clear:both;"></div>https://community.appian.com/thread/84685?ContentTypeID=1Tue, 17 Aug 2021 17:13:24 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:f9ed83dc-2830-4c27-bd75-18c1ef459b60here2learn<p>I realized that the CDT definition needed to have a a unique identifier as this link explains:&nbsp;<a title="View CDT" href="/discussions/f/process/5818/having-trouble-getting-my-data-store-for-views-to-map-a-data-type-to-an-existing" rel="noopener noreferrer" target="_blank">https://community.appian.com/discussions/f/process/5818/having-trouble-getting-my-data-store-for-views-to-map-a-data-type-to-an-existing</a></p> <p>I edited my CDT and added a primary key to one of my columns (a unique column) and it worked.&nbsp;</p><div style="clear:both;"></div>https://community.appian.com/thread/84682?ContentTypeID=1Tue, 17 Aug 2021 17:06:55 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:7edf24cd-84e0-4102-8b62-f35293d096acStefan Helzle<p>Did you follow this?</p> <p><a href="https://docs.appian.com/suite/help/21.2/Mapping_CDTs_to_Pre-defined_Database_Tables.html#create">docs.appian.com/.../Mapping_CDTs_to_Pre-defined_Database_Tables.html</a></p><div style="clear:both;"></div>