Not sure if you simply want to create users, or an AA
If an AA, see here
https://youtu.be/mAOpv3vlKpw
If all you want is to create users, it will depend on whether they're going to be LDAP, AXL or local.
If you have absolutely no experience, it would be in your best interest to reach out to a Cisco partner or a consultant for this config, this is not hard, but it does assume you're familiar with the products and how the interact and are configured to work.
HTH
java
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