Step 1: Log in to AdStage and go to the Automate tab
Step 2: Click Create Rule
Step 3: Select the Ads level
Step 4: Select the Networks, Accounts, Campaigns, Ad Groups, and finally the Ads for which you want this rule to apply
Step 5: Using conditional IF logic, enter the metric that you'd like to monitor
Step 6: Select Pause Ads
Step 7: Select whether you wish for the rule to be emailed to you, applied, or only emailed if there are errors
Step 8: Click Preview
Step 9: If this is the rule you wish to implement, click Launch
Learn more about setting up Rules here.