https://community.appian.com/discussions/f/user-interface/17708/accessing-data-from-datasubset-on-an-interfaceHi, On an interface I am populating a grid based on a datasubset that is from a queryProcessAnalytics (output attached). I then click a row in the grid to display more details from the process. In column &quot;c16&quot; I have the entire data set which asen-USTelligent Community 12https://community.appian.com/thread/69710?ContentTypeID=1Thu, 03 Oct 2019 22:50:13 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:b3cc64c5-73a1-4a25-92b7-057dd5bc0442Robert Shankin<p>Hi David -&nbsp;</p> <p>Regardless of the grid design -&nbsp;I think you should probably be using fn!index() and not fn!keyVal().</p> <p>There&#39;s some nuance here - but please review the docs to see what I mean<br /><a href="https://docs.appian.com/suite/help/19.3/fnc_text_keyval.html">https://docs.appian.com/suite/help/19.3/fnc_text_keyval.html<br /></a><a href="https://docs.appian.com/suite/help/19.3/fnc_array_index.html">https://docs.appian.com/suite/help/19.3/fnc_array_index.html<br /></a></p> <p>Also,&nbsp;<br />Have a look at the fn!wherecontains docs:&nbsp;<a href="https://docs.appian.com/suite/help/19.3/fnc_array_wherecontains.html">https://docs.appian.com/suite/help/19.3/fnc_array_wherecontains.html<br /></a></p> <p>In particular this index(..., wherecontains(...)) pattern is probably going to be useful to you:</p> <p><pre class="ui-code" data-mode="text">e.g. index(pv!employees.firstName, wherecontains(&quot;Finance&quot;, pv!employees.department))</pre></p><div style="clear:both;"></div>