how can chnage laravel validation message code example

Example 1: laravel validator make custom message

$rules = [
        'name' => 'required',
        'email' => 'required|email',
        'message' => 'required|max:250',
    ];

    $customMessages = [
        'required' => 'The :attribute field is required.'
    ];

    $this->validate($request, $rules, $customMessages);

Example 2: 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);