[TOnlineAsyncOpHandle](API\Plugins\OnlineServicesInterface\Online\TOnlineAsyncOpHandle)< [FSendFriendInvite](API\Plugins\OnlineServicesInterface\Online\FSendFriendInvite) > SendFriendInvite ( [FSendFriendInvite::Params](API\Plugins\OnlineServicesInterface\Online\FSendFriendInvite\Params) && Params )