Flask – Request Object The data from a client’s web page is sent to the server as a global request object. In order to process the request data, it should be imported from the Flask module. Important attributes of request object are listed below − Form − It is a dictionary object containing key and value pairs of form parameters and their values. args − parsed contents of query string which is part of URL after question mark (?). Cookies − dictionary object holding Cookie names and values. files − data pertaining to uploaded file. method − current request method.