> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-7021d5f4.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# CreateObservabilityDestinationRequest - Go SDK

> CreateObservabilityDestinationRequest type definition

<Warning>
  The Go SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/go-sdk/issues).
</Warning>

## Fields

| Field          | Type                                                                                                                                                 | Required             | Description                                                                                                                                               | Example                                                                                              |
| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- |
| `APIKeyHashes` | optionalnullable.OptionalNullable\[\[]`string`]                                                                                                      | :heavy\_minus\_sign: | Optional allowlist of OpenRouter API key hashes whose traffic is forwarded. `null` or omitted means all keys. Must contain at least one hash if provided. | `<nil>`                                                                                              |
| `Config`       | map\[string]`any`                                                                                                                                    | :heavy\_check\_mark: | Provider-specific configuration. The shape depends on `type` and is validated server-side.                                                                | `{"baseUrl": "https://us.cloud.langfuse.com","publicKey": "pk-l...EfGh","secretKey": "sk-l...AbCd"}` |
| `Enabled`      | `*bool`                                                                                                                                              | :heavy\_minus\_sign: | Whether this destination should be enabled immediately.                                                                                                   | true                                                                                                 |
| `FilterRules`  | optionalnullable.OptionalNullable\[[components.ObservabilityFilterRulesConfig](/client-sdks/go/api-reference/models/observabilityfilterrulesconfig)] | :heavy\_minus\_sign: | Optional structured filter rules controlling which events are forwarded.                                                                                  | `<nil>`                                                                                              |
| `Name`         | `string`                                                                                                                                             | :heavy\_check\_mark: | Human-readable name for the destination.                                                                                                                  | Production Langfuse                                                                                  |
| `PrivacyMode`  | `*bool`                                                                                                                                              | :heavy\_minus\_sign: | When true, request/response bodies are not forwarded — only metadata.                                                                                     | false                                                                                                |
| `SamplingRate` | `*float64`                                                                                                                                           | :heavy\_minus\_sign: | Sampling rate between 0.0001 and 1 (1 = 100%).                                                                                                            | 1                                                                                                    |
| `Type`         | [components.CreateObservabilityDestinationRequestType](/client-sdks/go/api-reference/models/createobservabilitydestinationrequesttype)               | :heavy\_check\_mark: | The destination type. Only stable destination types are accepted.                                                                                         | langfuse                                                                                             |
| `WorkspaceID`  | `*string`                                                                                                                                            | :heavy\_minus\_sign: | Optional workspace ID. Defaults to the authenticated entity's default workspace.                                                                          | 550e8400-e29b-41d4-a716-446655440000                                                                 |