https://community.qlik.com/t5/App-Development/Aggregate-Help/m-p/1609968#M45303 <P>May be something like this</P><LI-CODE lang="markup">Count(DISTINCT {&lt;[Access Date] = {"$(=Date(Today()-30))"}, [App Name] = {"*"}&gt;} UserId)</LI-CODE> Tue, 06 Aug 2019 19:12:14 GMT sunny_talwar 2019-08-06T19:12:14Z https://community.qlik.com/t5/App-Development/Aggregate-Help/m-p/1609961#M45302 <P>I need some assistance in writing an expression or aggregation of the total number of employees who has access an App or Sheet within the first 30 days of the Operational Monitoring.</P><P>&nbsp;</P><P>Count({[Access Date]=(AddDays(DayStart(today())-30)),{[App Name]=("*")} &gt; } distinct UserId}) or&nbsp;</P><P>sum(aggr(count({&lt;[Session Count]={1}&gt;} DISTINCT [App Name]),MONTH))</P> Tue, 06 Aug 2019 19:03:57 GMT https://community.qlik.com/t5/App-Development/Aggregate-Help/m-p/1609961#M45302 wallace0834 2019-08-06T19:03:57Z https://community.qlik.com/t5/App-Development/Aggregate-Help/m-p/1609968#M45303 <P>May be something like this</P><LI-CODE lang="markup">Count(DISTINCT {&lt;[Access Date] = {"$(=Date(Today()-30))"}, [App Name] = {"*"}&gt;} UserId)</LI-CODE> Tue, 06 Aug 2019 19:12:14 GMT https://community.qlik.com/t5/App-Development/Aggregate-Help/m-p/1609968#M45303 sunny_talwar 2019-08-06T19:12:14Z