Geocode URL is required. Reference layer URL is optional For example:
https://transparentgov.net/json2tree/.....html?url2=Geocode-Server-URL?url1=Reference-arcgis-layer-URL
Geocode Server URL (required) Example Geocode-Server-URL (ended with ... .../GeocodeServer):
https://gis.la-quinta.org/arcgis/rest/services/GoGov/Composite_geocode/GeocodeServer
Reference layer (optional) Example Reference-arcgis-layer-URL (ended with ... .../MapServer/Reference-layer-ID):
https://gis.la-quinta.org/arcgis/rest/services/Planning/Village_Commercial_Zone/MapServer/1