> ## 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. # ListModelsUserSecurity ## Example Usage ```typescript theme={null} import { ListModelsUserSecurity } from "@openrouter/sdk/models/operations"; let value: ListModelsUserSecurity = { bearer: "", }; ``` ## Fields | Field | Type | Required | Description | | -------- | -------- | -------------------- | ----------- | | `bearer` | *string* | :heavy\_check\_mark: | N/A |