suggestions for expression rule to get user from a list that is a member of a certain grouphttps://community.appian.com/discussions/f/general/11429/suggestions-for-expression-rule-to-get-user-from-a-list-that-is-a-member-of-a-certain-groupHi, Any suggestions on how to achieve this efficiently? I have users in the system that have different logins but the same email address. I&#39;m using the getusersby() function and getting this array of users (typically 2 users) via their email addressen-USTelligent Community 12RE: suggestions for expression rule to get user from a list that is a member of a certain grouphttps://community.appian.com/thread/50330?ContentTypeID=1Thu, 23 Nov 2017 01:27:50 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:90195f44-f8da-4e3e-b9d1-5dd93eb4f324garym@Arun - Thank you, that worked nicely<div style="clear:both;"></div>RE: suggestions for expression rule to get user from a list that is a member of a certain grouphttps://community.appian.com/thread/50296?ContentTypeID=1Tue, 21 Nov 2017 20:06:58 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:60d06130-65ce-4ef9-9f6c-8731384be4efArun Theja Muthyalu<p>Hi garym,</p> <p>An expression rule something like below should&nbsp;accomplish your requirement.</p> <p>filter(</p> <p>isusermemberofgroup(</p> <p>_,</p> <p>/* Group Id of the Group that you want to check the presence of the User. */</p> <p>pv!groupId</p> <p>),</p> <p>/* Process Variable that holds an array of Users. */</p> <p>pv!users</p> <p>)</p> <p>The above rule filters the Users that belong to the Group you specify from the total list of Users. Hope this helps.</p> <p>Thank you,</p> <p>Arun</p><div style="clear:both;"></div>