For validation and self controlled responses you can select middleware as response. The middleware function will be called, in case of "middleware" is selected. It's response can be a string which will continue with the given string as selected response. If you return null or undefined you have to implement the response by yourself.
| attribute | type | description |
|---|---|---|
| req | Object | The (request object)[http://expressjs.com/en/api.html#req]. |
| res | Object | The (response object)[http://expressjs.com/en/api.html#res]. |
| method | string | Contains a string corresponding to the HTTP method of the request: GET, POST, PUT, and so on. |
| dir | string | The directory of selected response |
| preferences | Object | The preferences object |