Syntax
Parameters
context   _In_opt_Type: void* Optional pointer to data used by the event handler. userIdentifier   _In_
Type: uint32_t The user identifier that was passed to XUser when the user was added. operation   _In_
Type: XUserPlatformOperation The handle for this operation. modernGamertag   _In_z_
Type: char const* The modern gamertag of the user. modernGamertagSuffix   _In_opt_z_
Type: char const* The modern gamertag suffix, if present. May be null for certain users.
