You can use campaign state rules to pause or enable campaigns based on specified criteria:
Navigate to the rulesets page from the automation menu in the sidebar
Click "Add Ruleset"
Select "Campaign Management Ruleset" and choose "State" as the automation type
Enable the automation toggle and set the frequency and time when you want the automation to make changes
Choose the evaluation period for the automation to evaluate data from linked campaigns
Define criteria as rules, such as:
ACOS > Target ACOS
Spend > X and Orders = 0
Set the action to pause campaigns
Finally, link your campaigns in the "Linked Campaigns" tab and click "Save"