addItemToMap method

Future<void> addItemToMap(
  1. String mapKey,
  2. String itemKey,
  3. dynamic value
)

Implementation

Future<void> addItemToMap(String mapKey, String itemKey, dynamic value) async {
  final _existingValue = getMap(mapKey);
  _existingValue[itemKey] = value;
  await setMap(mapKey, _existingValue);
}