Laravel flash message

laravelFlashMessage.blade.php

Session::flash('message', 'This is a message!'); 
Session::flash('alert-class', 'alert-danger'); 

In view:
@if(Session::has('message'))
<p class="alert {{ Session::get('alert-class', 'alert-info') }}">{{ Session::get('message') }}</p>
@endif

 OR:
 
 In controller:
Session::flash('alert-danger', 'danger');
Session::flash('alert-warning', 'warning');
Session::flash('alert-success', 'success');
Session::flash('alert-info', 'info');

Session::flash('message', 'This is a message!'); 

In View:
<div class="flash-message">
  @foreach (['danger', 'warning', 'success', 'info'] as $msg)
    @if(Session::has('alert-' . $msg))
    <p class="alert alert-{{ $msg }}">{{ Session::get('message') }}</p>
    @endif
  @endforeach
</div>