> ## 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.

# PFAuthenticationAuthenticateCustomIdRequest

> PFAuthenticationAuthenticateCustomIdRequest data model. Create or return a game_server entity token. Caller must be a title entity.

PFAuthenticationAuthenticateCustomIdRequest data model. Create or return a game\_server entity token. Caller must be a title entity.

## Syntax

```cpp theme={null}
typedef struct PFAuthenticationAuthenticateCustomIdRequest {  
    const char* customId;  
    PFStringDictionaryEntry const* customTags;  
    uint32_t customTagsCount;  
} PFAuthenticationAuthenticateCustomIdRequest;  
```

### Members

**`customId`**   const char\*<br />*is null-terminated*

The customId used to create and retrieve game\_server entity tokens. This is unique at the title level. CustomId must be between 32 and 100 characters.

**`customTags`**   PFStringDictionaryEntry const\*<br />*may be nullptr*

(Optional) The optional custom tags associated with the request (e.g. build number, external trace identifiers, etc.).

**`customTagsCount`**   uint32\_t

Count of customTags

## Requirements

**Header:** PFAuthenticationTypes.h

## See also

[PFAuthenticationTypes members](/services/playfab/api-references/c/pfauthenticationtypes/pfauthenticationtypes_members)


## Related topics

- [PFAuthenticationAuthenticateGameServerWithCustomIdAsync](/services/playfab/api-references/c/pfauthentication/functions/pfauthenticationauthenticategameserverwithcustomidasync.md)
- [Services C API overview - PFAuthenticationTypes.h](/services/playfab/api-references/c/pfauthenticationtypes/pfauthenticationtypes_members.md)
- [PFAuthenticationAuthenticateCustomIdResult](/services/playfab/api-references/c/pfauthenticationtypes/structs/pfauthenticationauthenticatecustomidresult.md)
- [PFAuthenticationAuthenticateGameServerWithCustomIdGetResult](/services/playfab/api-references/c/pfauthentication/functions/pfauthenticationauthenticategameserverwithcustomidgetresult.md)
- [PFAuthenticationLoginWithServerCustomIdRequest](/services/playfab/api-references/c/pfauthenticationtypes/structs/pfauthenticationloginwithservercustomidrequest.md)