from field: string room_id = 1;
from field: string requested_user_id = 2;
from field: uint64 duration = 3 [jstype = JS_STRING];
Optional
from field: optional string welcome_msg = 4;
from field: repeated plugnmeet.BreakoutRoom rooms = 5;
from message plugnmeet.CreateBreakoutRoomsReq
Generated
from field: string room_id = 1;