---
title: useSearchParams (RN)
---
# `useSearchParams` (React Native)
This is the React Native version of `useSearchParams`. For the web version, [go here][usesearchparams].
Type declaration
```tsx
declare function useSearchParams(
defaultInit?: URLSearchParamsInit
): [URLSearchParams, SetURLSearchParams];
type ParamKeyValuePair = [string, string];
type URLSearchParamsInit =
| string
| ParamKeyValuePair[]
| Record
| URLSearchParams;
type SetURLSearchParams = (
nextInit?:
| URLSearchParamsInit
| ((prev: URLSearchParams) => URLSearchParamsInit),
navigateOpts?: : NavigateOptions
) => void;
interface NavigateOptions {
replace?: boolean;
state?: any;
preventScrollReset?: boolean;
}
```
The `useSearchParams` hook is used to read and modify the query string in the URL for the current location. Like React's own [`useState` hook][usestate], `useSearchParams` returns an array of two values: the current location's [search params][searchparams] and a function that may be used to update them. Just as React's [`useState` hook][usestate], `setSearchParams` also supports [functional updates][functional-updates]. Therefore, you may provide a function that takes a `searchParams` and returns an updated version.
```tsx
import * as React from "react";
import { View, SearchForm, TextInput } from "react-native";
import { useSearchParams } from "react-router-native";
function App() {
let [searchParams, setSearchParams] = useSearchParams();
let [query, setQuery] = React.useState(
searchParams.get("query")
);
function handleSubmit() {
setSearchParams({ query });
}
return (
);
}
```
[functional-updates]: https://reactjs.org/docs/hooks-reference.html#functional-updates
[searchparams]: https://developer.mozilla.org/en-US/docs/Web/API/URL/searchParams
[usesearchparams]: ./use-search-params
[usestate]: https://reactjs.org/docs/hooks-reference.html#usestate