Hello Nandakishor
Easiest is to use Ops Center Automator. Have a look here:
Alternatively over here you can also find details on the docs portal to do it from the command line using curl:
https://docs.hitachivantara.com/r/en-us/ops-center-api-configuration-manager/11.0.x/mk-99cfm000/common-operations-in-the-rest-api/registering-a-storage-system
Regards