Hello i’m working on a client, a consulting website, that wants this function to implement on the site, the user can drag and drop services on a basket that has price and sum up the price services for the user can see the estimated cost , can anyone help me how can I build that, Thank you so much in advance 
You cannot do it using Corvid, however you can do it in an htmlCompoenent or a custom element.
See:
https://www.w3schools.com/html/html5_draganddrop.asp