> ## 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. # GuardrailDataRegion An OpenRouter data region: `global` ([https://openrouter.ai](https://openrouter.ai)), `europe` ([https://eu.openrouter.ai](https://eu.openrouter.ai)), or `us` ([https://us.openrouter.ai](https://us.openrouter.ai)) ## Example Usage ```go theme={null} import ( "github.com/OpenRouterTeam/go-sdk/models/components" ) value := components.GuardrailDataRegionGlobal // Open enum: custom values can be created with a direct type cast custom := components.GuardrailDataRegion("custom_value") ``` ## Values | Name | Value | | --------------------------- | ------ | | `GuardrailDataRegionGlobal` | global | | `GuardrailDataRegionEurope` | europe | | `GuardrailDataRegionUs` | us |