Timestamp null vs now

1

I can’t find information about it but what is the difference in between using a null timestamp and now timestamp in a provisioning script ?

By now, I mean

const now = Date.now();

Thanks

2

The timestamp param controls how old the information is before GenieACS will get updated information from the CPE. If you put a timestamp of now for either the value or path option, then GenieACS will go refresh either the path or value because the timestamp value for the path or parameter is going to be older than now. Make sense?

3

It make sense but it was more about the difference between those two. It seems to me that both (null or now) will always update the value from the CPE so is their any reason of using now instead of null ? It seems to me like null would be more efficient.

Thanks