> ## 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.

# FieldT

## Example Usage

```python theme={null}
from openrouter.components import FieldT

# Open enum: unrecognized values are captured as UnrecognizedStr
value: FieldT = "model"
```

## Values

This is an open enum. Unrecognized values will not fail type checks.

* `"model"`
* `"provider"`
* `"session_id"`
* `"user_id"`
* `"api_key_name"`
* `"finish_reason"`
* `"input"`
* `"output"`
* `"total_cost"`
* `"total_tokens"`
* `"prompt_tokens"`
* `"completion_tokens"`