Go to Admin -> Account Settings (Link)
Then open Tracking
And enter the following text under Tracking template:
{lpurl}?ve_source=google&ve_campaign={campaignid}&ve_adgroup={adgroupid}&ve_assetgroup={assetgroupid}&ve_creative={creative}
Go to Admin -> Account Settings (Link)
Then open Tracking
And enter the following text under Tracking template:
{lpurl}?ve_source=google&ve_campaign={campaignid}&ve_adgroup={adgroupid}&ve_assetgroup={assetgroupid}&ve_creative={creative}