const [searchParams, setSearchParams] = useSearchParams();

searchParams.get("__firebase_request_key")

import React from "react";

import { useLocation } from "react-router-dom";

​

const MyComponent = () => {

  const search = useLocation().search;

const id=new URLSearchParams(search).get("id");

console.log(id);//12345

}

//in route

<Route path="child/:id" children={<Child />} />

// in component

import { useParams } from "react-router-dom";

​

let { id } = useParams();

​

this.props.match.params.redirectParam

​

<Route path="/users/:id" render={(props) => <UserPage {...props} />}/> 

​

this.props.match.params.id