> ## 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. # STTEntity A detected entity, returned when the provider runs entity detection ## Example Usage ```typescript theme={null} import { STTEntity } from "@openrouter/sdk/models"; let value: STTEntity = { endChar: 25, startChar: 15, text: "John Smith", type: "name", }; ``` ## Fields | Field | Type | Required | Description | Example | | - | - | - | - | - | | `endChar` | *number* | ✔️ | Zero-based exclusive character offset of the entity end within the response-level text (not seconds) | 25 | | `startChar` | *number* | ✔️ | Zero-based character offset of the entity start within the response-level text (not seconds) | 15 | | `text` | *string* | ✔️ | Entity text as it appears in the transcript | | | `type` | *string* | ✔️ | Provider entity type label | name |