> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # CreateObservabilityDestinationRequest ## Example Usage ```typescript theme={null} import { CreateObservabilityDestinationRequest } from "@openrouter/sdk/models/operations"; let value: CreateObservabilityDestinationRequest = { createObservabilityDestinationRequest: { config: { "baseUrl": "https://us.cloud.langfuse.com", "publicKey": "pk-l...EfGh", "secretKey": "sk-l...AbCd", }, name: "Production Langfuse", type: "langfuse", }, }; ``` ## Fields | Field | Type | Required | Description | Example | | --------------------------------------- | ------------------------------------------------------------------------------------------------------ | -------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `httpReferer` | *string* | :heavy\_minus\_sign: | The app identifier should be your app's URL and is used as the primary identifier for rankings.
This is used to track API usage per application.
| | | `appTitle` | *string* | :heavy\_minus\_sign: | The app display name allows you to customize how your app appears in OpenRouter's dashboard.
| | | `appCategories` | *string* | :heavy\_minus\_sign: | Comma-separated list of app categories (e.g. "cli-agent,cloud-agent"). Used for marketplace rankings.
| | | `createObservabilityDestinationRequest` | [models.CreateObservabilityDestinationRequest](../../models/createobservabilitydestinationrequest.mdx) | :heavy\_check\_mark: | N/A | \{
"config": \{
"baseUrl": "[https://us.cloud.langfuse.com](https://us.cloud.langfuse.com)",
"publicKey": "pk-l...EfGh",
"secretKey": "sk-l...AbCd"
},
"name": "Production Langfuse",
"type": "langfuse"
} |