AI-generated Key Takeaways
- 
          AssetCreativeTemplateVariable represents a file asset variable within a creative template. 
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          You should use AssetCreativeTemplateVariableValue to set the value for this variable when creating a TemplateCreative. 
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          This variable inherits properties like label, uniqueName, description, and isRequired from CreativeTemplateVariable. 
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          AssetCreativeTemplateVariable includes a mimeTypesfield to specify supported file types.
Represents a file asset variable defined in a creative template.
Use AssetCreativeTemplateVariableValue to specify the value for this variable when creating TemplateCreative from the TemplateCreative.
- Namespace
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               https://www.google.com/apis/ads/publisher/v202508
| Field | |
|---|---|
| CreativeTemplateVariable(inherited) | |
| 
                            | 
                            Label that is displayed to users when creating TemplateCreative from the CreativeTemplate. This attribute is required and has a maximum length of 127 characters. | 
| 
                            | 
                            Unique name used to identify the variable. This attribute is read-only and is assigned by Google, by deriving from label, when a creative template variable is created. | 
| 
                            | 
                            A descriptive help text that is displayed to users along with the label. This attribute is required and has a maximum length of 255 characters. | 
| 
                            | 
                            
                            | 
| AssetCreativeTemplateVariable | |
| 
                            | 
                            A set of supported mime types. This set can be empty if there's no constraint, meaning files of any mime types are allowed. Enumerations 
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