AI-generated Key Takeaways
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TargetCpaOptIn recommendation aims to optimize campaigns based on different goals: maintaining cost, conversions, CPA, or setting a lower, closer CPA.
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Different enum values specify the recommended strategy for setting the Target CPA.
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SAME_COST,SAME_CONVERSIONS, andSAME_CPArecommend matching existing metrics. - 
          
CLOSEST_CPAsuggests setting a Target CPA lower than the recent actual CPA while remaining close. 
Goal of TargetCpaOptIn recommendation.
| Enums | |
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                Not specified. | 
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                Used for return value only. Represents value unknown in this version. | 
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                Recommendation to set Target CPA to maintain the same cost. | 
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                Recommendation to set Target CPA to maintain the same conversions. | 
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                Recommendation to set Target CPA to maintain the same CPA. | 
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                Recommendation to set Target CPA to a value that is as close as possible to, yet lower than, the actual CPA (computed for past 28 days). |