> ## 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. # GenerationContentDataOutput The output from the generation ## Example Usage ```typescript theme={null} import { GenerationContentDataOutput } from "@openrouter/sdk/models"; let value: GenerationContentDataOutput = { completion: "The meaning of life is a philosophical question...", reasoning: null, }; ``` ## Fields | Field | Type | Required | Description | Example | | ------------ | -------- | -------------------- | --------------------------------- | -------------------------------------------------- | | `completion` | *string* | :heavy\_check\_mark: | The completion output | The meaning of life is a philosophical question... | | `reasoning` | *string* | :heavy\_check\_mark: | Reasoning/thinking output, if any | null |