OptionalattributionAttribution string displayed on the map.
OptionaldpiExport DPI. Defaults to 96.
OptionalformatImage format.
OptionallayersComma-separated layer IDs to include (e.g. "0,1,3").
OptionaltransparentWhether the exported image has a transparent background.
Full URL to the service endpoint.
A source backed by an Esri-compatible Map Service (dynamic map export).
URL format:
https://host/rest/services/{serviceId}/MapServer