# SpreadsheetAddAutofilter

Adds auto filters to a spreadsheet.

## Method Signature

```
SpreadsheetAddAutofilter(spreadsheetObj=[any], row=[any], startColumn=[any], endRow=[any], endColumn=[any])
```

### Arguments

| Argument         | Type      | Required | Description                                                                                   | Default |
| ---------------- | --------- | -------- | --------------------------------------------------------------------------------------------- | ------- |
| `spreadsheetObj` | `ANY`     | `true`   | The spreadsheet object.                                                                       |         |
| `row`            | `NUMERIC` | `false`  | The starting row for the autofilter (1-based). Default is 1.                                  | 1       |
| `startColumn`    | `NUMERIC` | `false`  | The starting column for the autofilter (1-based). Default is 1.                               | 1       |
| `endRow`         | `NUMERIC` | `false`  | The ending row for the autofilter (1-based). If not specified, uses all rows with data.       |         |
| `endColumn`      | `NUMERIC` | `false`  | The ending column for the autofilter (1-based). If not specified, uses all columns with data. |         |

## Examples

Add autofilter to data range:

```js
// Add filter to header row
var spreadsheet = SpreadsheetNew();
SpreadsheetAddRows( spreadsheet, [ 
    [ "Name", "Age", "City" ],
    [ "John", 30, "NYC" ],
    [ "Jane", 25, "LA" ]
] );

SpreadsheetAddAutofilter( spreadsheet, 1, 1, 3, 3 );
```

## Related

* [SpreadsheetAddFreezePane()](/boxlang-+-++/modules/bx-spreadsheet/built-in-functions/spreadsheetaddfreezepane.md) - Freeze panes
* [SpreadsheetFormatRow()](/boxlang-+-++/modules/bx-spreadsheet/built-in-functions/spreadsheetformatrow.md) - Format row
* [Data Analysis Guide](https://github.com/ortus-boxlang/boxlang-docs/blob/v1.x/boxlang-framework/boxlang-plus/modules/bx-spreadsheet/data-analysis.md) - Data filtering


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