how to send props in route code example

Example 1: route pass props to component

<Route
  path='/dashboard'
  render={(props) => (
    <Dashboard {...props} isAuthed={true} />
  )}
/>

Example 2: how to pass a prop in route

<Route
  path='/dashboard'
  component={() => <Dashboard isAuthed={true} />}
/>

Example 3: can I pass function as prop on route change

<Link to={{
   pathname: '/Content/' + this.props.index
   state: {decrease: this.props.decreaseIndexProject}
}}>Page n°1</Link>

<Router>
  <Switch>
    <Route path="/Content/:index" exact name="content" component={Content} />
  </Switch>
</Router>

// Now in Content you can use it like this.props.location.state.decrease