Answers for "laravel set error message"

laravel success message

return redirect()->back()->with('message', 'IT WORKS!');

Displaying message if it exists:

@if(session()->has('message'))
    <div class="alert alert-success">
        {{ session()->get('message') }}
    </div>
@endif

how to add an custom error to validater error in laravel

if (request('event') == null) {
    $validator->errors()->add('event', 'Please select an event');
}

how to change validation message in laravel

$messages = [
        'exists' => 'Your custom message',
    ];
    $this->validate($request, [
    'recovery_code' => 'required|exists:users,email_recovery_code',
    'new_password'=>'required',
    'confirm_password'=>'required|same:new_password',
    ],$messages);