> ## 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.

# XblPrivacyBlockListChangeEventArgs

> XblPrivacyBlockListChangeEventArgs

# XblPrivacyBlockListChangeEventArgs

Event arguments for a block list change.

## Syntax

```cpp theme={null}
typedef struct XblPrivacyBlockListChangeEventArgs {  
    XblPrivacyListChangeType changeType;  
    uint64_t* xuids;  
    size_t xuidsCount;  
} XblPrivacyBlockListChangeEventArgs  
```

### Members

*changeType*\
Type: [XblPrivacyListChangeType](/reference/live/xsapi-c/privacy_c/enums/xblprivacylistchangetype)

The type of change (Added or Removed).

*xuids*\
Type: uint64\_t\*

The XBOX user IDs affected by the change.

*xuidsCount*\
Type: size\_t

The number of entries in the xuids array.

## Requirements

**Header:** privacy\_c.h

## See also

[privacy\_c](/reference/live/xsapi-c/privacy_c/privacy_c_members)


## Related topics

- [XblPrivacyListChangeType](/reference/live/xsapi-c/privacy_c/enums/xblprivacylistchangetype.md)
- [XblPrivacyMuteListChangeEventArgs](/reference/live/xsapi-c/privacy_c/structs/xblprivacymutelistchangeeventargs.md)
- [XblPrivacyAddBlockListChangedHandler](/reference/live/xsapi-c/privacy_c/functions/xblprivacyaddblocklistchangedhandler.md)
- [XblPrivacyRemoveBlockListChangedHandler](/reference/live/xsapi-c/privacy_c/functions/xblprivacyremoveblocklistchangedhandler.md)
- [XblPrivacyAddMuteListChangedHandler](/reference/live/xsapi-c/privacy_c/functions/xblprivacyaddmutelistchangedhandler.md)