---
title: "addAdditionalActivityItem(_:)"
framework: classkit
role: symbol
role_heading: Instance Method
path: "classkit/clsactivity/addadditionalactivityitem(_:)"
---

# addAdditionalActivityItem(_:)

Adds an activity item to an activity.

## Declaration

```swift
func addAdditionalActivityItem(_ activityItem: CLSActivityItem)
```

## Parameters

- `activityItem`: The activity item to add to the activity.

## Mentioned in

Recording additional metrics about a completed task

## See Also

### Managing activity items

- [primaryActivityItem](classkit/clsactivity/primaryactivityitem.md)
- [additionalActivityItems](classkit/clsactivity/additionalactivityitems.md)
- [removeAllActivityItems()](classkit/clsactivity/removeallactivityitems().md)