Thanks to Steve and Randy for their help.  The command was successful.  I omitted a password, but got a confirmation email instead.  Also I found information here

Section 5 Setting Subscription Options for Subscrib­ers

http://www.lsoft.com/manuals/15.5/htmlhelp/list%20owners%20-%20advanced/SettingSubscriptionOptions.7.1.html

 

Sincerely - Ian

 

Ian Fairclough

Cataloging and Metadata Services Librarian

George Mason University

703-993-2938

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