3326492 - Is it possible to use BTP assign security/role-collection to create user with specified different value to User ID and E-mail

For certain purpose like mass assginment, you want to use BTP CLI to assign security/role-collection and create shadow user with "--create-user-if-missing" parameter if a shadow user doesn't already exist.
When creating shadow user, you want to specify the different unique value for User ID and E-mail.
However, you find the same value(E-mail) set for User ID and E-mail.

SAP Business Technology Platform
SAP BTP CLI

BTP, role-collection, BTP assign security, User ID, Email, --to-user EMAIL, --create-user-if-missing, shadow user, shadow , KBA , BC-CP-TOOLS-CLI , Command line interface (btp/sapcp CLI) , BC-CP-CF-SEC-IAM , UAA, Authentication, Authorization, Trust Mgmnt , How To