Laravel - Validation - Customizing The Error Messages

You may customize the error messages used by the form request by overriding the messages method. This method should return an array of attribute / rule pairs and their corresponding error messages:

     * Get the error messages for the defined validation rules.
     * @return array
    public function messages()
        return [
            'title.required' => 'A title is required',
            'body.required' => 'A message is required',