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https://help.okta.com/en/prod/Content/Topics/Security/mfa-totp-seed.htm
https://developer.okta.com/docs/reference/api/factors/#enroll-custom-hotp-factor
On the step of Add TOTP Factor, fill in the form as below:
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SafeID Token Service provides a Web-based GUI console that allows customers to manage the full life cycle of the SafeID token by simply pointing and clicking. You can assign, activate, deactivate, unassign, delete and replace a token, etc with one single click.
For more details, click SafeID Token Management Service