syntax error for Validator in laravel 5.4 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: laravel validation example

//import		
		use Illuminate\Support\Facades\Validator;
	
		// single var check
        $validator = Validator::make(['data' => $value],
            ['data' => 'string|min:1|max:10']
        );
        if ($validator->fails()) {
            // your code
        }

        // array check
        $validator = Validator::make(['data' => $array],
            ['email' => 'string|min:1|max:10'],
            ['username' => 'string|min:1|max:10'],
            ['password' => 'string|min:1|max:10'],
            ['...' => '...']
        );

        if ($validator->fails()) {
            // your code
        }