USERS.

If you click on the profile button you can see your USER'S NAME. That means this person is the User for Tenancy Right now.

You can See the Details of the User's.

Now click on the Default Domain and then click on the USERMANAGMENT.

click on CREATE and fill on the following General Details to Add the User in Tenancy.

Hence, the USER is added in Tenancy.

GROUPS.

Now if i have to assign Users in group.

then follow this steps....

Go to the Groups section and click on the group that u have created and Now you want to assign the users in group.

click to the assign users to group and ADD the users in group...

Hence, USER ADDED SUCCESFULLY.

Now if you wnt to see which user belong to which Group...

Then proceed to this following Method....

burger menu > Identity and security > Domains > Default (Current domain) > User management > 

THANKYOU!