# Metrological SDK Reference

The Reference Documentation for Metrological SDK contains detailed descriptions of the Metrological SDK *Plugins* that you can use when you are developing Apps targeted at the Metrological Platform.

The available Metrological SDK plugins are, in alphabetical order:

* [Metadata](plugins/metadata.md)
* [Metrics](plugins/metrics.md)
* [Pin](plugins/pin.md)
* [Profile](plugins/profile.md)
* [Purchase](plugins/purchase.md)
* [TV](plugins/tv.md)
* [VideoPlayer](plugins/videoplayer.md)