https://community.esri.com/t5/arcgis-online-questions/arcade-script-for-layer-to-layer-calculation/m-p/1506228#M60288 <P>If you have a relationship set up between the two layers, you can use this syntax to get an attribute from the other layer</P><LI-CODE lang="javascript">var related = FeatureSetByRelationshipName($feature, 'your relationship name'); if (Count(related) &gt; 0) { var record = First(related); return record.theField; }</LI-CODE><P>If not, you can use this syntax to get the other feature.</P><LI-CODE lang="javascript">var asset_id = $feature.GUID var fs = FeatureSetByPortalItem( Portal('yourPortal'), 'itemId', 0, ['*'], false ); var related = First(Filter(fs, "GlobalID = @asset_id")) if(related != null) return related.theField</LI-CODE> Wed, 17 Jul 2024 16:29:15 GMT KenBuja 2024-07-17T16:29:15Z https://community.esri.com/t5/arcgis-online-questions/arcade-script-for-layer-to-layer-calculation/m-p/1506200#M60282 <P>I am wanting to populate a field on one layer from a field with the same name on another layer based on a common global ID and am having difficulty figuring out the arcade code to do so.&nbsp; I do not have much experience with this kind of coding using arcade.</P> Wed, 17 Jul 2024 15:34:23 GMT https://community.esri.com/t5/arcgis-online-questions/arcade-script-for-layer-to-layer-calculation/m-p/1506200#M60282 JonFrederiksen 2024-07-17T15:34:23Z https://community.esri.com/t5/arcgis-online-questions/arcade-script-for-layer-to-layer-calculation/m-p/1506228#M60288 <P>If you have a relationship set up between the two layers, you can use this syntax to get an attribute from the other layer</P><LI-CODE lang="javascript">var related = FeatureSetByRelationshipName($feature, 'your relationship name'); if (Count(related) &gt; 0) { var record = First(related); return record.theField; }</LI-CODE><P>If not, you can use this syntax to get the other feature.</P><LI-CODE lang="javascript">var asset_id = $feature.GUID var fs = FeatureSetByPortalItem( Portal('yourPortal'), 'itemId', 0, ['*'], false ); var related = First(Filter(fs, "GlobalID = @asset_id")) if(related != null) return related.theField</LI-CODE> Wed, 17 Jul 2024 16:29:15 GMT https://community.esri.com/t5/arcgis-online-questions/arcade-script-for-layer-to-layer-calculation/m-p/1506228#M60288 KenBuja 2024-07-17T16:29:15Z