This function is part of the Lobby Interface.
EOS_LobbyDetails_GetMemberAttributeCount is used to immediately retrieve the attribute count for members in a lobby. Note: this information is only available if you are actively in the lobby. It is not available for search results.
the number of attributes associated with a given lobby member or 0 if that member is invalid
|Parameter Type And Name||Usage Information|
|const EOS_LobbyDetails_GetMemberAttributeCountOptions* Options||Structure containing the input parameters|