https://community.appian.com/discussions/f/rules/1237/remove-nulls-from-arrayIs there a simple way to remove nulls from a multiple value array?... OriginalPostID-81806 OriginalPostID-81806en-USTelligent Community 12https://community.appian.com/thread/4282?ContentTypeID=1Fri, 20 Sep 2013 02:27:27 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:48ef94ee-c434-403e-9c7c-a071c378dcdbRichardSorry, I should have specified, I&#39;m on 6.03, but difference does what I need! Cheers<div style="clear:both;"></div>https://community.appian.com/thread/4279?ContentTypeID=1Fri, 20 Sep 2013 00:28:40 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:59d24477-54d6-4a0d-a5d2-609fbe6b5a58Bishnu PanigrahiCheck out the docs for more information on method #1.<br /><a href="https://forum.appian.com/suite/wiki/72/Looping_Functions#reject.28.29">forum.appian.com/.../Looping_Functions</a><div style="clear:both;"></div>https://community.appian.com/thread/4278?ContentTypeID=1Thu, 19 Sep 2013 23:51:18 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:cfae16e1-9d8d-4df4-96c8-b82cbbcf936fAlicia-Jane DunnYou could use either of the two expressions: <br />1. reject(fn!isnull,pv!yourArray)<br />2. difference(pv!yourArray, &quot;&quot;)<div style="clear:both;"></div>