Hello,
For pre-defined access policy controls access to one or more Schema Registry entities I need to add or enable the schema_registry ranger plugin. But I didn't configure how to enable or add in Service Manager for cm_schema_registy Policy List.
Here is the link to Cloudera documentation for schema registry in ranger service.
Schema registry security add-in ranger
for example:
As the documentation, ranger manage service seems like,

But in my ranger service manager, didn’t see the cm_schema_registry policy.

So, my question is how to enable or add or user control schema registry from ranger service?