```metrics
block, as explained below. Any metric defined in this way will automatically be scheduled alongside the metadata scraping job. Metric definitions support Jinja2 templating -- for more information on how to set this up, see Jinja2 templating.null-registrations
and distinct-registrations
are defined:~/.whale/metrics
.WHALE_SLACK_TOKEN
. That's all!user_id
like this:table.md
file with metrics and corresponding alerts could look like this: