Home > @magiclane/maps-sdk > OverlayItem > getPreviewExtendedData
OverlayItem.getPreviewExtendedData() method
Get extended preview data asynchronously for the overlay item.
Signature:
getPreviewExtendedData(onResult: (err: GemError, params: SearchableParameterList | null) => void): any;Parameters
|
Parameter |
Type |
Description |
|---|---|---|
|
onResult |
(err: GemError, params: SearchableParameterList | null) => void |
Callback function invoked with (error, parameters) when complete |
Returns:
any
The EventDrivenProgressListener that identifies this operation, or null if it couldn't be started
Exceptions
An exception if it fails