> ## 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. # ServerToolEngineDataRegion ## Example Usage ```go theme={null} import ( "github.com/OpenRouterTeam/go-sdk/models/components" ) value := components.ServerToolEngineDataRegionGlobal // Open enum: custom values can be created with a direct type cast custom := components.ServerToolEngineDataRegion("custom_value") ``` ## Values | Name | Value | | - | - | | `ServerToolEngineDataRegionGlobal` | global | | `ServerToolEngineDataRegionEurope` | europe | | `ServerToolEngineDataRegionUs` | us |