https://community.esri.com/t5/arcgis-online-questions/agol-attribute-expressions/m-p/1294941#M52542 <P>Hello,</P><P>I am creating attribute expressions at the Feature Layer (hosted) level, in the visualization for use in popups downstream.&nbsp;&nbsp;</P><P>Within the attribute expressions dialogue there, under Globals tab, there are three choices with right slide-outs:</P><P>$feature</P><P>$layer</P><P>$datastore</P><P>1) What is the difference between these three and how are they best applied?&nbsp;</P><P>2) The $feature is the only set that actually works when tested.&nbsp; Clicking any layer or field choice on $layer or $datastore returns a broken function (when tested).&nbsp; What is the proper syntax to use layers or fields from the datastore?<BR /><BR />Thank you,</P><P>Tyler&nbsp;</P><P>ArcGIS Pro 3.1.0</P><P>Enterprise 11.0</P> Thu, 01 Jun 2023 13:28:55 GMT TylerT 2023-06-01T13:28:55Z https://community.esri.com/t5/arcgis-online-questions/agol-attribute-expressions/m-p/1294941#M52542 <P>Hello,</P><P>I am creating attribute expressions at the Feature Layer (hosted) level, in the visualization for use in popups downstream.&nbsp;&nbsp;</P><P>Within the attribute expressions dialogue there, under Globals tab, there are three choices with right slide-outs:</P><P>$feature</P><P>$layer</P><P>$datastore</P><P>1) What is the difference between these three and how are they best applied?&nbsp;</P><P>2) The $feature is the only set that actually works when tested.&nbsp; Clicking any layer or field choice on $layer or $datastore returns a broken function (when tested).&nbsp; What is the proper syntax to use layers or fields from the datastore?<BR /><BR />Thank you,</P><P>Tyler&nbsp;</P><P>ArcGIS Pro 3.1.0</P><P>Enterprise 11.0</P> Thu, 01 Jun 2023 13:28:55 GMT https://community.esri.com/t5/arcgis-online-questions/agol-attribute-expressions/m-p/1294941#M52542 TylerT 2023-06-01T13:28:55Z