AI-generated Key Takeaways
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          A CreativeSet is composed of a master creative and its companion creatives. 
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          Each CreativeSet has a unique ID assigned by Google upon creation, which is a read-only attribute. 
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          The CreativeSet must have a name with a maximum length of 255 characters, and it is a required field. 
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          Both the ID of the master creative and the IDs of the companion creatives are required attributes for a CreativeSet. 
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          The lastModifiedDateTimeindicates the date and time the CreativeSet was last modified.
A creative set is comprised of a master creative and its companion creatives.
- Namespace
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| 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. |