Auto Rules are used to apply different Rules to your campaign. You can set up different conditions to stop, pause or notification for the campaign. You can also change the rules currency as well.
Evaluation Settings:
You can set up the evaluation of your rule which includes
1. What to work with (Ad, Adset, or Campaign)
2. Status to be taken? (Active, Pause, etc)
3. Which operator to use? (IN, NOT IN)
4. Stat Period (Today, Yesterday, etc)
Conditions:
1. Which insight to take? (Clicks, Spend, etc)
2. Which operator to use? (Equal, Less Than, etc)
3. Value for the condition
Execution settings:
What to do with these conditions (Pause, Unpause, Notification)
These auto rules help you to do the automation for your campaign start or pause.