call abstract method

TRes call({
  1. Query$challenge$challenge$donation$donation$donation$cause$organization$pos? pos,
  2. Query$challenge$challenge$donation$donation$donation$cause$organization$wholesaler? wholesaler,
  3. Query$challenge$challenge$donation$donation$donation$cause$organization$manufacturer? manufacturer,
})

Implementation

TRes call({
  Query$challenge$challenge$donation$donation$donation$cause$organization$pos?
      pos,
  Query$challenge$challenge$donation$donation$donation$cause$organization$wholesaler?
      wholesaler,
  Query$challenge$challenge$donation$donation$donation$cause$organization$manufacturer?
      manufacturer,
});