Your clients will only see the metrics and measurements they have entered themselves. However, they are not restricted from adding other types.
The full list they can select from will be CoachKit defaults as well as any custom ones you have created.
We have a feature on our roadmap that will allow you to restrict metric and measurement types both globally and at the client level. Stay tuned for updates as we work on this!
On our roadmap we have a feature to restrict the metric & measurement types at a global level but also a client level too. Stay tuned for updates on when we progress with this work.