topic Arcade Data Expressions: Unable to execute Arcade script in ArcGIS Dashboards Questions

Arcade Data Expressions: Unable to execute Arcade script

JennyKuan — Wed, 04 Aug 2021 22:05:18 GMT

Hi,

Can anyone provide some insight as to why I am unable to execute my Arcade Expression? I can successfully test it but it will not let me execute it. I just learned how to use Data Expressions today with help from this community so I am very green.

Here's what my data expression looks like, while returning the correct number for "Count":

var features = FeatureSetByPortalItem(Portal('https://arcgis.com'), '5a735badf3114a3ba63e2a01b3cb1a68', 0, ['ACTIVE_ELE'], false);
Count(Features);

Then, when I press done and return to the previous page, I get this message:

This isn't the final script I want to use but I'm just playing with things for the time being.

Thank you!

Jenny

Re: Arcade Data Expressions: Unable to execute Arcade script

DavidPike — Thu, 05 Aug 2021 09:47:32 GMT

Hi Jenny,

The expression must return a FeatureSet. https://doc.arcgis.com/en/dashboards/get-started/create-data-expressions.htm

If you just need a count in something like an indicator, I'd just have the expression return the featureSet as-is, then have a Count on the indicator.

https://developers.arcgis.com/arcade/guide/types/?rsource=https%3A%2F%2Flinks.esri.com%2Fdashboards-help%2Farcade-featuresets#featureset

https://doc.arcgis.com/en/dashboards/get-started/create-data-expressions.htm

https://github.com/Esri/arcade-expressions/tree/master/dashboard_data?rsource=https%3A%2F%2Flinks.esri.com%2Fdashboards-help%2Fsample-data-expressions

https://doc.arcgis.com/en/dashboards/reference/authoring-data-expressions.htm