AI-generated Key Takeaways
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CustomCriteriaSet is composed of CustomCriteriaNode objects combined using a logical operator.
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The logical operator used within a CustomCriteriaSet is a required attribute.
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CustomCriteriaSet has children which can be CustomCriteriaSet, CustomCriteriaLeaf, or specific criteria types like CustomCriteria, CmsMetadataCriteria, or AudienceSegmentCriteria.
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CustomCriteriaSet is used in various services including AdRuleService, ForecastService, and LineItemService.
 
A CustomCriteriaSet comprises of a set of CustomCriteriaNode objects combined by the CustomCriteriaSet.LogicalOperator.logicalOperator. The custom criteria targeting tree is subject to the rules defined on Targeting.customTargeting.
- Namespace
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https://www.google.com/apis/ads/publisher/v202508 
                        Field | 
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|---|---|
                        
                           CustomCriteriaNode (inherited)
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                           CustomCriteriaSet
                        
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                            The logical operator to be applied to CustomCriteriaSet.children. This attribute is required. Enumerations 
 This attribute is required. 
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 The custom criteria. This attribute is required.  |