persistence := NewBeaconsMongoPersistence()
// ...
persistence.Open(context.Background())
beacon := data1.BeaconV1{
Id: "1",
Udi: "0002",
SiteId: "0001",
}
persistence.Set(context.Background(), beacon)
item, _ := persistence.GetOneByUdi(context.Background(), "0002")
persistence.Close(context.Background())
fmt.Println(item.Id)