https://community.appian.com/discussions/f/user-interface/29310/interface-and-expression-ruleHi, In the interface I use the rule input as my record A1. A field in this interface, I need to populate value from the other record B1.In other to use the relationship in the interface or expression rule, how to define the relationship. I tried givingen-USTelligent Community 12https://community.appian.com/thread/116112?ContentTypeID=1Thu, 13 Jul 2023 04:24:03 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:bdad17b0-2847-4212-b65e-8144de72ff4etushark6475<p><a href="https://stackoverflow.com/help/how-to-ask">stackoverflow.com/.../how-to-ask</a></p><div style="clear:both;"></div>https://community.appian.com/thread/116076?ContentTypeID=1Wed, 12 Jul 2023 11:33:08 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:a3696147-912f-4b69-b8cc-1a5d2342f7d0Stefan Helzle<p>Can you share that code snippet?</p><div style="clear:both;"></div>https://community.appian.com/thread/116075?ContentTypeID=1Wed, 12 Jul 2023 11:28:48 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:8c56af4e-6d59-4cec-9071-4b75cad38f29Bibhuti Mohapatra<p>Hello,</p> <p>The relationship must be defined at the Record level before trying to query the record.</p> <p>Can you please confirm if you had already mapped the record B1 to your record A1 at the record level?</p> <p>If the above is already done, then try accessing the record B field with record recordtype!A.relationship.B1.field.</p><div style="clear:both;"></div>