Passing arguments to webform

Hi,
I need to pass the First and Last name to a third party survey tool which I have setup in the Web Form of the campaign. Can anyone help on how to go about doing this with Vicidial? Thanks.
I need to pass the First and Last name to a third party survey tool which I have setup in the Web Form of the campaign. Can anyone help on how to go about doing this with Vicidial? Thanks.