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# XblAchievementProgressChangeEventArgs

> XblAchievementProgressChangeEventArgs

Event arguments for achievement progress changes.

## Syntax

```cpp theme={null}
typedef struct XblAchievementProgressChangeEventArgs {  
    XblAchievementProgressChangeEntry* updatedAchievementEntries;  
    size_t entryCount;  
} XblAchievementProgressChangeEventArgs  
```

### Members

*updatedAchievementEntries*\
Type: [XblAchievementProgressChangeEntry\*](https://docs.xbox.com/reference/live/xsapi-c/achievements_c/structs/xblachievementprogresschangeentry.md)

Array of objects detailing the progress changes of each achievement that has been updated.

*entryCount*\
Type: size\_t

The count of **updatedAchievementEntries**.

## Requirements

**Header:** achievements\_c.h

## See also

[achievements\_c](https://docs.xbox.com/reference/live/xsapi-c/achievements_c/achievements_c_members.md)


## Related topics

- [XblAchievementsProgressChangeHandler](https://docs.xbox.com/reference/live/xsapi-c/achievements_c/functions/xblachievementsprogresschangehandler.md)
- [XblAchievementProgressChangeEntry](https://docs.xbox.com/reference/live/xsapi-c/achievements_c/structs/xblachievementprogresschangeentry.md)
- [achievements_c (contents)](https://docs.xbox.com/reference/live/xsapi-c/achievements_c/achievements_c_members.md)
- [XblAchievementsRemoveAchievementProgressChangeHandler](https://docs.xbox.com/reference/live/xsapi-c/achievements_c/functions/xblachievementsremoveachievementprogresschangehandler.md)
- [XblAchievementsAddAchievementProgressChangeHandler](https://docs.xbox.com/reference/live/xsapi-c/achievements_c/functions/xblachievementsaddachievementprogresschangehandler.md)