call abstract method

TRes call({
  1. String? amount,
  2. Query$challenge$challenge$donation$donation$donation$cause$coin$unitValue$currency? currency,
  3. String? $__typename,
})

Implementation

TRes call({
  String? amount,
  Query$challenge$challenge$donation$donation$donation$cause$coin$unitValue$currency?
      currency,
  String? $__typename,
});