Laravel get paramater from url in blade

I want to write in blade second parameter of URL

I using this but it is not showing parameter in blade.

IN Route: Route::get('/{id}/policydetail/{urlNumber}','MerchantDashboardController@policydetail');

Exam Url:: http://127.0.0.1:8001/backoffice/5896/policydetail/2

via Chebli Mohamed