Answers for "add custom error to validation laravel"

how to add an custom error to validater error in laravel

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

laravel validation custom message

public function store()
{
    request()->validate([
        'file' => 'required',
        'type' => 'required'
    ],
    [
        'file.required' => 'You have to choose the file!',
        'type.required' => 'You have to choose type of the file!'
    ]);
}

custom rule laravel validation

public function store()
{
    $this->validate(request(), [
        'song' => [function ($attribute, $value, $fail) {
            if ($value <= 10) {
                $fail(':attribute needs more cowbell!');
            }
        }]
    ]);
}