---
title: "subscript(_:)"
framework: tabulardata
role: symbol
role_heading: Instance Subscript
path: "tabulardata/rowgrouping/subscript(_:)-5z2eg"
---

# subscript(_:)

Retrieves a group at an index.

## Declaration

```swift
subscript(position: Int) -> (key: GroupingKey?, group: DataFrame.Slice) { get }
```

## Parameters

- `position`: A valid index to a group in the row grouping.

## See Also

### Inspecting a Row Grouping

- [count](tabulardata/rowgrouping/count.md)