i know this is very basic question, however cant help it i am new. i want to add a hidden form element how can i do that. in detail, there a page from which i want to extract some HTML tags information. however that page has some hidden form elements because of which data is displayed. can anyone help me to set those input objects as hidden.

This REST robot lists all openkapow robots that have a certain tags and, optionally, a certain type. For example all REST robots that has the tag "Swivel". Input data: tag - mandatory, should be an existing tag at openkapow.com. Can be several tags by dividing the tags by ",", for example "google, tutorial". type - ...