> ## 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. # ExtractionAssetFormat ## Example Usage ```go theme={null} import ( "github.com/OpenRouterTeam/go-sdk/models/components" ) value := components.ExtractionAssetFormatPng // Open enum: custom values can be created with a direct type cast custom := components.ExtractionAssetFormat("custom_value") ``` ## Values | Name | Value | | - | - | | `ExtractionAssetFormatPng` | png | | `ExtractionAssetFormatJpg` | jpg | | `ExtractionAssetFormatJpeg` | jpeg | | `ExtractionAssetFormatPdf` | pdf |