$Id value for OEM Schema in JSON Schema format

Hi,
As per 11.2.4 JSON Schema format, $id is refered as Reference to the URI where the schema file is published.


Term         Description

$id            Reference to the URI where the schema file is published

Assume we have oem schema and not published in public, how we can mention value for $id

If OEM schema is testschema, how will be $id value in json schema file



$id:"http://redfish.dmtf.org/schemas/v1/testschema.v1_0_0.json"
or
$id:"/schemas/v1/testschema.v1_0_0.json"
or
$id:"/redfish/v1/JsonSchemas/testschema.v1_0_0.json"


Thanks,
Mani