How to Send Requests from Scripts // Postman Pointers

Namaste Dev,This is dileep dilraj.Actually I want to scrap a website which asking login to scrap details but the problem is to request the website "we have to now what is in the form" here I cant see details I have to fill in the form and it showing in the form ids: (number) ,Could you please help me to solve this problem.

How do you use pm.sendRequest? Do you simply use a url, do your throw in the options, or do some of you use the classes like I do? What's your favorite use case of pm.sendRequest?