# User Security for a Command (SECURITY.E3)
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The SECURITY.E3 procedure provides the ability to view and update the access rights to a particular procedure for all users of that procedure. You indicate the name of the account and procedure to be updated and a list of current users appears. You may then make changes to the access rights of these users and also add additional users that did not already have access to the procedure. When you save the procedure all of the user security settings are updated.
Frequency of Use
The entries made here will not take effect until the account has been secured with ACCOUNT.CONTROL.