html - Ruby on Rails redirect_to method -

let's have line in controller

redirect_to "/sessions/try", provider: 5 

and try.html.erb

<h1>try</h1> <%= provider %> 

obviously doesn't work, how 'provider' show in html file?

send provider params

redirect_to "/sessions/try?provider=5" 

than at, try.html.erb

<h1>try</h1> <%= params[:provider] %>