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# QueryFilterOperator

Enumeration of the comparison operators supported in query filters.

```
string QueryFilterOperator
```

## Discussion

The `QueryFilterOperator` enumerates the comparison operators available in `QueryFilter.operator`. Not every field or endpoint supports all operators. Refer to each entity’s dictionary keys for per-field operator support.

Endpoints that accept a `QueryFilter` or `QueryRequest`:

- [`Query Campaigns`](/documentation/Apple-Ads-Platform-API/POST-campaigns-query)
- [`Query Ad Groups`](/documentation/Apple-Ads-Platform-API/POST-adgroups-query)
- [`Query Keywords`](/documentation/Apple-Ads-Platform-API/POST-keywords-query)
- [`Query Negative Keywords`](/documentation/Apple-Ads-Platform-API/POST-negative-keywords-query)
- [`Query App Locale Details`](/documentation/Apple-Ads-Platform-API/Query-Default-Product-Page-Locale-Details-by-Adam-ID)
- [`Query Supported App Languages`](/documentation/Apple-Ads-Platform-API/Query-Supported-App-Languages)
- [`Check App Eligibility`](/documentation/Apple-Ads-Platform-API/Find-Apps-eligibilities)
- [`Query Rejection Reasons`](/documentation/Apple-Ads-Platform-API/Find-rejection-reasons)
- [`Query Assets`](/documentation/Apple-Ads-Platform-API/Query-Assets)
- [`Query Product Pages`](/documentation/Apple-Ads-Platform-API/Query-Product-Pages)
- [`Query Product Page Locale Details`](/documentation/Apple-Ads-Platform-API/Query-Product-Page-Locale-Details)
- [`Query Ad Creatives`](/documentation/Apple-Ads-Platform-API/POST-creatives-query)
- [`Query Brands`](/documentation/Apple-Ads-Platform-API/Query-Brands)
- [`Query Business Categories`](/documentation/Apple-Ads-Platform-API/Query-Categories)
- [`Query Location Groups`](/documentation/Apple-Ads-Platform-API/Query-Location-Groups)
- [`Query for Locations`](/documentation/Apple-Ads-Platform-API/Query-Locations)
- [`Query Rejection Reasons for Brands`](/documentation/Apple-Ads-Platform-API/Query-policy-assignments-(rejection-reasons)-for-external-consumers)
- [`Query Budget Orders`](/documentation/Apple-Ads-Platform-API/POST-shared-budgets-query)

---

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