Select ‘Video or audio’
Name your line item according to your naming convention
For line item type, select ‘Ad Exchange(12)’
For expected sizes - select 1x1v from the list of options
Scroll down to Delivery settings, and set the start time to immediately and the end time to unlimited
Under the Add targeting section, for inventory, select the placement you created for your BrowsiVideo ad units
All other fields in this page can be ignored - click save
Next step - set up video reporting UPR key-valuevalues