image method
Implementation
String? image(KeyValue k) {
try {
if (images == null) return null;
var index = images!.indexWhere((element) => element.reference == k.value);
var documentItemModel = images![index];
var image = documentItemModel.image;
if (index >= 0) return image!.url;
} catch (_) {
debugPrint('DocumentParameterProcessor::image() error');
}
return null;
}