> ## 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.

# PFExternalFriendSources

> Reference for the PFExternalFriendSources enumeration in the PlayFab Services C API, listing friend sources such as Steam, Facebook, Xbox, and PSN.

ExternalFriendSources enum.

## Syntax

```cpp theme={null}
enum class PFExternalFriendSources  : uint32_t  
{  
    None = 0x0,  
    Steam = 0x1,  
    Facebook = 0x2,  
    Xbox = 0x4,  
    Psn = 0x8,  
    All = 0x10  
}  
```

## Constants

| Constant | Description |
| -------- | ----------- |
| None     | TBD         |
| Steam    | TBD         |
| Facebook | TBD         |
| `Xbox`   | TBD         |
| Psn      | TBD         |
| All      | TBD         |

## Requirements

**Header:** PFLeaderboardsTypes.h

## See also

[PFLeaderboardsTypes members](/services/playfab/api-references/c/pfleaderboardstypes/pfleaderboardstypes_members)


## Related topics

- [Services C API overview - PFLeaderboardsTypes.h](/services/playfab/api-references/c/pfleaderboardstypes/pfleaderboardstypes_members.md)
- [PFLeaderboardsGetFriendLeaderboardForEntityRequest](/services/playfab/api-references/c/pfleaderboardstypes/structs/pfleaderboardsgetfriendleaderboardforentityrequest.md)
- [PFFriendsExternalFriendSources](/services/playfab/api-references/c/pffriendstypes/enums/pffriendsexternalfriendsources.md)
- [Services C API overview - PFFriendsTypes.h](/services/playfab/api-references/c/pffriendstypes/pffriendstypes_members.md)
- [Friends](/services/playfab/community/associations/friends/index.md)