Privileges: CLUSTER_VIEW, TENANT_VIEW

An entity schema specifies the meta-data associated with entity such as
the list of attributes and a time series of data.
For example, for a Disk entity, the entity schema specifies the Node that is
using this Disk, the type of the Disk, and Metrics about the Disk such as Space
Usage, Read IOs and Write IOs. Metrics define data points (time series data)
to track over a period of time for a specific interval.
If no parameters are specified, all entity schemas found on the Cohesity
Cluster are returned.
Specifying parameters filters the results that are returned.
In the Cohesity Dashboard, similar functionality is provided in Advanced
Diagnostics.