> ## Documentation Index
> Fetch the complete documentation index at: https://nixtlaverse.nixtla.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Callbacks

> Utility functions use in the predict step.

##

### `SaveFeatures`

```python theme={null}
SaveFeatures()
```

Saves the features in every timestamp.

#### `SaveFeatures.get_features`

```python theme={null}
get_features(with_step=False)
```

Retrieves the input features for every timestep

**Parameters:**

| Name        | Type                       | Description                                          | Default            |
| ----------- | -------------------------- | ---------------------------------------------------- | ------------------ |
| `with_step` | <code>[bool](#bool)</code> | Add a column indicating the step. Defaults to False. | <code>False</code> |

**Returns:**

| Type                                    | Description                   |
| --------------------------------------- | ----------------------------- |
| <code>pandas or polars DataFrame</code> | DataFrame with input features |