[boost] [log] Set default log source name

Hi All, Have any way to define a custon log source name on simple_event_log_backend! I foud a method to get (get_default_source_name), but where is "set" method! HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\EventLog\Application\do kagent simple event source I want set/change default name (in my case) : "dokagent simple event source" Thanks