Campaigns let you group products you wish to test on Tophatter. It enables you to set specific caps on your product. You can allot daily budgets, lifetime budgets, track real-time performances for these groups and products you put under selected Campaigns. 

You can find the tab to access the campaign section from the top menu panel. Here’s how you can access the Campaign section.

• Log in to your Shopify Tophatter Integration
• Go to the Campaign tab (It is the third tab from the left corner of the top menu)
• From the drop-down menu, select Manage Campaign.