> ## 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.

# Fields

A typed field to extract, compute, estimate or forecast from the state. Which types a model answers is model-specific; unsupported types are rejected with 400.

## Supported Types

### `components.ExtractionDateField`

```python theme={null}
value: components.ExtractionDateField = /* values here */
```

### `components.ExtractionDatetimeField`

```python theme={null}
value: components.ExtractionDatetimeField = /* values here */
```

### `components.ExtractionDurationField`

```python theme={null}
value: components.ExtractionDurationField = /* values here */
```

### `components.ExtractionEstimateField`

```python theme={null}
value: components.ExtractionEstimateField = /* values here */
```

### `components.ExtractionForecastField`

```python theme={null}
value: components.ExtractionForecastField = /* values here */
```

### `components.ExtractionListField`

```python theme={null}
value: components.ExtractionListField = /* values here */
```

### `components.ExtractionNumberField`

```python theme={null}
value: components.ExtractionNumberField = /* values here */
```

### `components.ExtractionTextField`

```python theme={null}
value: components.ExtractionTextField = /* values here */
```

### `components.ExtractionTimeField`

```python theme={null}
value: components.ExtractionTimeField = /* values here */
```