---
title: activate()
framework: phase
role: symbol
role_heading: Instance Method
path: phase/phasegrouppreset/activate()
---

# activate()

Applies settings to the designated groups.

## Declaration

```swift
func activate()
```

## Discussion

Discussion When you call this function, the framework assigns the group preset as the engine’s activeGroupPreset and deactivates the previous assignee, as needed. The settings take effect according to timeToTarget.

## See Also

### Activating a Group Preset

- [activate(timeToTargetOverride:)](phase/phasegrouppreset/activate(timetotargetoverride:).md)