AI-generated Key Takeaways
- 
          The webpage lists various Ad Manager API services including AdRuleService, AdjustmentService, and AdsTxtService. 
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          It also details different types of API errors such as ApiVersionError, AuthenticationError, and RequiredError. 
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          The RequiredErrorhas areasonfield which can be the enumerationREQUIRED.
- Namespace
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               https://www.google.com/apis/ads/publisher/v202502
| Field | |
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| ApiError(inherited) | |
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| RequiredError | |
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 Enumerations 
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