https://community.esri.com/t5/arcgis-pro-ideas/add-highlight-option-to-quot-alter-field-data/idi-p/1378711 <P>The Alter Field (Data Management) geoprocessing tool should allow an option to highlight the field. There should be a "<SPAN>field_is_highlighted" option that you can set to true to highlight the field when used through arcpy.</SPAN></P><P>Currently, to highlight a field through arcpy, you have to do it through the cim, however; the cim.featureTable.fieldDescriptions is often an empty array. So any attempt to automatically and quickly change the property will end up failing.</P><P>Instead, you end up having to run the "Alter Field" data management tool and apply something that will result in a net 0 change, e.g.:<BR />arcpy.management.AlterField(lyr, "SHAPE", clear_field_alias=True)</P><P>That will populate the fieldDescriptions array and then you can run through the array and update the field's highlight property in the cim and then update the lyr's definition. However; this takes extra steps, and it would be nice to just go:</P><P>arcpy.management.AlterField(lyr, "FIELD_TO_HIGHLIGHT", field_is_highlighted=True)</P> Tue, 06 Feb 2024 16:55:33 GMT Matthew_Muehlhauser 2024-02-06T16:55:33Z https://community.esri.com/t5/arcgis-pro-ideas/add-highlight-option-to-quot-alter-field-data/idi-p/1378711 <P>The Alter Field (Data Management) geoprocessing tool should allow an option to highlight the field. There should be a "<SPAN>field_is_highlighted" option that you can set to true to highlight the field when used through arcpy.</SPAN></P><P>Currently, to highlight a field through arcpy, you have to do it through the cim, however; the cim.featureTable.fieldDescriptions is often an empty array. So any attempt to automatically and quickly change the property will end up failing.</P><P>Instead, you end up having to run the "Alter Field" data management tool and apply something that will result in a net 0 change, e.g.:<BR />arcpy.management.AlterField(lyr, "SHAPE", clear_field_alias=True)</P><P>That will populate the fieldDescriptions array and then you can run through the array and update the field's highlight property in the cim and then update the lyr's definition. However; this takes extra steps, and it would be nice to just go:</P><P>arcpy.management.AlterField(lyr, "FIELD_TO_HIGHLIGHT", field_is_highlighted=True)</P> Tue, 06 Feb 2024 16:55:33 GMT https://community.esri.com/t5/arcgis-pro-ideas/add-highlight-option-to-quot-alter-field-data/idi-p/1378711 Matthew_Muehlhauser 2024-02-06T16:55:33Z