---
title: summary()
framework: tabulardata
role: symbol
role_heading: Instance Method
path: tabulardata/rowgroupingprotocol/summary()
---

# summary()

Generates a group summaries instance of the row grouping’s columns.

## Declaration

```swift
func summary() -> any GroupSummaries
```

## See Also

### Summarizing a Row Grouping

- [summary(of:)](tabulardata/rowgroupingprotocol/summary(of:).md)
- [GroupSummaries](tabulardata/groupsummaries.md)