How to migrate roles and auth from old ECC system to S/4 Hana green field implementation

[New1]

Hello All,

We have master and derived roles concept in our old ecc system. We need to migrate the roles and auth to new S/4 HANA greenfiled implemnetation. There are lots of master and derived roles in the ECC systems which we require to migrate in new S/4 Hana system. How can we migrate roles and auth from old ECC system to S/4 Hana with greenfield approach

Regards,

Saurav