---
title: "subscript(_:)"
framework: tabulardata
role: symbol
role_heading: Instance Subscript
path: "tabulardata/rowgrouping/subscript(_:)-2xxs8"
---

# subscript(_:)

Retrieves a group slice by key.

## Declaration

```swift
subscript(keys: Any?...) -> DataFrame.Slice? { get }
```

## Parameters

- `keys`: A comma-separated, or variadic, list of key optionals.