Custom Parameter

[Clive_Frontier]

Greetings,
I imported an ESRI Featureservice and added a custom paramter to only return records, within the Bbox. It throws an drawing/error message, but no details.

The custom Parameter, that throws an error message.

https://services-eu1.arcgis.com/zci5bUiJ8olAal7N/ArcGIS/rest/services/OpenStreetMap_Highways_for_Eur...