AI-generated Key Takeaways
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          A Creative Set consists of a master creative and its companion creatives. 
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          Creative Sets are uniquely identified by an ID assigned by Google upon creation, which is a read-only attribute. 
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          Each Creative Set requires a name with a maximum length of 255 characters. 
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          A Creative Set must have a master creative ID and one or more companion creative IDs. 
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          The lastModifiedDateTimefield indicates when the Creative Set was last updated.
A creative set is comprised of a master creative and its companion creatives.
- Namespace
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               https://www.google.com/apis/ads/publisher/v202505
| Field | |
|---|---|
| 
                            | 
                            Uniquely identifies the  | 
| 
                            | 
                            The name of the creative set. This attribute is required and has a maximum length of 255 characters. | 
| 
                            | 
                            The ID of the master creative associated with this creative set. This attribute is required. | 
| 
                            | 
                            The IDs of the companion creatives associated with this creative set. This attribute is required. | 
| 
                            | The date and time this creative set was last modified. |