https://community.esri.com/t5/arcgis-pro-questions/error-when-using-aggregate-points-in-script-tool/m-p/1695201#M102712 <P>I am having an issue running the <A href="https://pro.arcgis.com/en/pro-app/3.4/tool-reference/big-data-analytics/aggregate-points.htm" target="_self">GeoAnalytics Aggregate Points</A> tool in a script.</P><P>Specifically, I seem to be stumbling on the "summary fields" option. I have my code set as follows:</P><LI-CODE lang="python">arcpy.geoanalytics.AggregatePoints(inFeature, "output_name", 'BIN',None, 'HEXAGON', '500 Meters',None,None,None, ['ele_count','SUM'])</LI-CODE><P>Running this line of code results in this error:</P><P>ERROR 000800: The value is not a member of COUNT | SUM | MEAN | MIN | MAX | STDDEV | VAR | RANGE | ANY.</P><P>I have tried changing "SUM" to title-case ("Sum") and multiple variations of quotation marks and no quotation marks, comma and no comma, square bracket and no square brackets.&nbsp;</P><P>The documentation is frustratingly unclear on how to structure this option in the code.</P><P>What am I missing?</P><P>Thanks!</P> Wed, 08 Apr 2026 21:00:59 GMT JohnButcher 2026-04-08T21:00:59Z https://community.esri.com/t5/arcgis-pro-questions/error-when-using-aggregate-points-in-script-tool/m-p/1695201#M102712 <P>I am having an issue running the <A href="https://pro.arcgis.com/en/pro-app/3.4/tool-reference/big-data-analytics/aggregate-points.htm" target="_self">GeoAnalytics Aggregate Points</A> tool in a script.</P><P>Specifically, I seem to be stumbling on the "summary fields" option. I have my code set as follows:</P><LI-CODE lang="python">arcpy.geoanalytics.AggregatePoints(inFeature, "output_name", 'BIN',None, 'HEXAGON', '500 Meters',None,None,None, ['ele_count','SUM'])</LI-CODE><P>Running this line of code results in this error:</P><P>ERROR 000800: The value is not a member of COUNT | SUM | MEAN | MIN | MAX | STDDEV | VAR | RANGE | ANY.</P><P>I have tried changing "SUM" to title-case ("Sum") and multiple variations of quotation marks and no quotation marks, comma and no comma, square bracket and no square brackets.&nbsp;</P><P>The documentation is frustratingly unclear on how to structure this option in the code.</P><P>What am I missing?</P><P>Thanks!</P> Wed, 08 Apr 2026 21:00:59 GMT https://community.esri.com/t5/arcgis-pro-questions/error-when-using-aggregate-points-in-script-tool/m-p/1695201#M102712 JohnButcher 2026-04-08T21:00:59Z https://community.esri.com/t5/arcgis-pro-questions/error-when-using-aggregate-points-in-script-tool/m-p/1695208#M102713 <P>The python documentation does need work, but I am wondering if it needs a list of lists.</P><P>You have...&nbsp; ['ele_count','SUM']</P><P>try&nbsp; &nbsp;...&nbsp; [['ele_count','SUM']]</P><P>If that doesn't work, I would try Tech Support and flag the documentation page .... Feedback on this topic ... on the bottom right of the help topic page</P> Wed, 08 Apr 2026 21:45:42 GMT https://community.esri.com/t5/arcgis-pro-questions/error-when-using-aggregate-points-in-script-tool/m-p/1695208#M102713 DanPatterson 2026-04-08T21:45:42Z