> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# function_unregistered

> function_unregistered event.

This event is triggered when a CloudScript function is unregistered.

## Properties

| Name         | Type   | Description                                     |
| :----------- | :----- | :---------------------------------------------- |
| FunctionName | String | The name of the function that was unregistered. |

## Common Properties

All V2 PlayStream events are formatted as JSON objects and most share the following common properties:

| Name               | Type                                                                          | Description                                                                               |
| :----------------- | :---------------------------------------------------------------------------- | :---------------------------------------------------------------------------------------- |
| SchemaVersion      | String                                                                        | PlayStream event format version, following a semantic versioning scheme.                  |
| FullName           | [Object](/services/playfab/api-references/events/data-types/fullnameobject)   | Combination of the event name and event namespace to fully specify the event type.        |
| Id                 | String                                                                        | PlayFab-assigned unique identifier for this event.                                        |
| Timestamp          | DateTime                                                                      | The time (in UTC) associated with this event.                                             |
| Entity             | [Object](/services/playfab/api-references/events/data-types/entityobject)     | Details about the entity to which this event applies including Entity Id and Entity type. |
| Originator         | [Object](/services/playfab/api-references/events/data-types/originatorobject) | Object describing the source and source type that initiated this event.                   |
| PayloadContentType | String                                                                        | Specifies the content of the event payload. Default is "JSON".                            |
| Origin Info        | Object                                                                        | Optional field containing info about events originating outside of PlayFab.               |


## Related topics

- [PlayStream event model reference for PlayFab](/services/playfab/api-references/events/index.md)
- [UnregisterLampArrayCallback function reference](/reference/lighting/lamparray/functions/unregisterlamparraycallback.md)
- [IGameInput::UnregisterCallback](/reference/input/gameinput/interfaces/igameinput/methods/igameinput_unregistercallback.md)
- [GameInput callbacks](/build/core-features/common/input/advanced/input-callbacks.md)
- [XStoreUnregisterPackageLicenseLost](/reference/system/xstore/functions/xstoreunregisterpackagelicenselost.md)