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# init()

Creates a new instance for storing descriptive information about an activity.

```
init()
```

## Discussion

After you create a new [`GroupActivityMetadata`](/documentation/GroupActivities/GroupActivityMetadata) structure, assign values to
its properties and deliver it to the system from the [`metadata`](/documentation/GroupActivities/GroupActivity/metadata) property
of your custom [`GroupActivity`](/documentation/GroupActivities/GroupActivity) type.

---

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