The route parameter is used to map given URL's parameters based on the rout URLs and it is an optional parameters for that route.
Firstly will need to import from '@angular2/router' in the components file.
Angular2 - Routing Concepts
|What is Routing in Angular 2?||What is Routes?|
|What is Router Imports?||What is RouterOutlet?|
|Is it possible to have a multiple router-outlet in the same template?||What is RouterLink?|