> ## 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 ## Fields | Field | Type | Required | Description | Example | | - | - | - | - | - | | `EndChar` | `int64` | ✔️ | Zero-based exclusive character offset of the entity end within the response-level text (not seconds) | 25 | | `StartChar` | `int64` | ✔️ | 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 |