AI-generated Key Takeaways
- 
          DaiAuthenticationKeyType defines key types associated with DaiAuthenticationKey objects. 
- 
          The enumeration includes UNKNOWN,API, andHMACkey types.
- 
          APIkeys are used with theapi-keySDK parameter for authenticating stream create requests.
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          HMACkeys are used to generate a signature for stream create requests with theauth-tokenSDK parameter.
Key types associated with DaiAuthenticationKey objects.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202505
| Enumeration | Description | 
|---|---|
| UNKNOWN | The value returned if the actual value is not exposed by the requested API version. | 
| API | Indicates that the key is a standard API key and should be used with the api-key SDK parameter when authenticating stream create requests. | 
| HMAC | Indicates that the key is an HMAC key and should be used to generate a signature for the stream create request with the auth-token SDK parameter. |