To edit a Line Item, enter the Advertiser tab and find the Line Item in question. Click on the name of the Line Item to open the Line Item menu, then click the ‘Edit’ button in the upper right. Make the changes to the Line Item parameters or targeting, then click ‘Submit’ to save the changes.

The following settings cannot be changed once the Line Item is submitted – Inventory Type, Creative Type, Budget type (by spend or by impressions), and Foot Traffic Reporting. The Start Date for the campaign cannot be changed once that date has passed.