To assign a user to one or more user groups, proceed as follows:
Enter the user name in the User field on the initial screen.
Choose Assign User.
In the list of user groups, select the groups to which you want to assign the user.
Save your assignment.
In user group lists you can revoke change authorization for queries from those user groups to which a particular user is assigned. For more information, see Assigning Users and InfoSets.