# Parameter Manager

:::{admonition} 🚧 This page is planned, not yet written
:class: warning
It will be replaced with verified content as the documentation refactor progresses.
:::

This page will cover:

- Concept: the flagship Virtual Instrument; single source of truth
- Hierarchical parameters: add / remove / nesting
- Persistence: JSON files; profiles (refresh / switch)
- The Parameter Manager GUI and the `instrumentserver-param-manager` launcher
- Using it from measurement code