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# PartyStateChange

> A generic, base structure representation of an event or change in state in the Party library.

A generic, base structure representation of an event or change in state in the Party library.

## Syntax

```cpp theme={null}
struct PartyStateChange {  
    PartyStateChangeType stateChangeType;  
}  
```

### Members

**`stateChangeType`**   [PartyStateChangeType](/services/playfab/multiplayer/networking/reference/enums/partystatechangetype)

The specific type of the state change represented.

Use this field to determine which corresponding derived structure is represented by this PartyStateChange structure header.

## Remarks

PartyStateChange structures are reported by [PartyManager::StartProcessingStateChanges()](/services/playfab/multiplayer/networking/reference/classes/PartyManager/methods/partymanager_startprocessingstatechanges) for the title to handle and then promptly pass back via the [PartyManager::FinishProcessingStateChanges()](/services/playfab/multiplayer/networking/reference/classes/PartyManager/methods/partymanager_finishprocessingstatechanges) method. <br /><br /> The `stateChangeType` field indicates which kind of state change occurred, and this base structure should then be cast to a more specific derived structure to retrieve additional event-specific information.

## Requirements

**Header:** Party.h

## See also

[Party members](/services/playfab/multiplayer/networking/reference/party_members)\
[PartyManager::StartProcessingStateChanges](/services/playfab/multiplayer/networking/reference/classes/PartyManager/methods/partymanager_startprocessingstatechanges)\
[PartyManager::FinishProcessingStateChanges](/services/playfab/multiplayer/networking/reference/classes/PartyManager/methods/partymanager_finishprocessingstatechanges)


## Related topics

- [PartyStateChangeType](/services/playfab/multiplayer/networking/reference/enums/partystatechangetype.md)
- [PartyManager::StartProcessingStateChanges](/services/playfab/multiplayer/networking/reference/classes/PartyManager/methods/partymanager_startprocessingstatechanges.md)
- [PartyManager::FinishProcessingStateChanges](/services/playfab/multiplayer/networking/reference/classes/PartyManager/methods/partymanager_finishprocessingstatechanges.md)
- [PlayFab Party objects and their relationships](/services/playfab/multiplayer/networking/concepts-objects.md)
- [PlayFab Party Typedefs](/services/playfab/multiplayer/networking/reference/typedefs.md)