How do I search for hashTag in SearchController? - swift

Question

I'm going to search for hashtags. The current code is now complete with the creation of a search bar. I am using RxSwift and Mvvm pattern. Here's the code I've been working on so far.How should I search for hashtags?
func setUI() {
self.searchBar = UISearchBar(frame: CGRect(x:300, y:0, width:300, height:20))
searchBtn.rx.tap.subscribe(onNext: { _ in
self.navigationItem.searchController = self.searchController
self.navigationItem.hidesSearchBarWhenScrolling = false
UIView.animate(withDuration: 0.25) {
self.searchBar.frame = CGRect(x:0, y:0, width:300, height:20)
}
}).disposed(by: rx.disposeBag)
}
This is ViewController.
private let disposeBag = DisposeBag()
struct input {
let loadData: Signal<Void>
}
struct output {
let result: Signal<String>
let loadApplyList: PublishRelay<friends>
}
func transform(_ input: input) -> output {
let api = SearchAPI()
let result = PublishSubject<String>()
let loadApplyList = PublishRelay<friends>()
input.loadData.asObservable().subscribe(onNext: { [weak self] in
guard let self = self else { return }
api.getFriend().subscribe(onNext: { (response, statuscode) in
switch statuscode {
case .ok:
if let response = response {
loadApplyList.accept(response)
}
default:
print("default")
}
}).disposed(by: self.disposeBag)
}).disposed(by: disposeBag)
return output(result: result.asSignal(onErrorJustReturn: ""), loadApplyList: loadApplyList)
}
}
And this is viewModel