> ## 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. # UnifiedBenchmarksMetaSource The source filter applied, or null when all sources are returned. ## Example Usage ```go theme={null} import ( "github.com/OpenRouterTeam/go-sdk/models/components" ) value := components.UnifiedBenchmarksMetaSourceArtificialAnalysis // Open enum: custom values can be created with a direct type cast custom := components.UnifiedBenchmarksMetaSource("custom_value") ``` ## Values | Name | Value | | ----------------------------------------------- | ------------------- | | `UnifiedBenchmarksMetaSourceArtificialAnalysis` | artificial-analysis | | `UnifiedBenchmarksMetaSourceDesignArena` | design-arena | | `UnifiedBenchmarksMetaSourceOpenrouter` | openrouter |