customParams property
Takes JSON with parameters that are not presented in the DocumentReader.
Unmodifiable property. Use setter instead of .remove(), .addAll(), etc.
Implementation
Map<String, dynamic>? get customParams => _customParams;
Implementation
set customParams(Map<String, dynamic>? val) {
if (val != null) val = Map.unmodifiable(val);
_customParams = val;
_set({"customParams": val});
}