A Stanza handle is the unique URL for your calendar.
When creating your calendar for the first time you will then be asked to add information into your calendars URL, most users like to keep their calendar name and URL information similar, however you can enter whatever you would like in this section. Once entered hit "Complete Setup"
Pick something that would make it easy for users to find your calendar. For example, if your Stanza Calendar is for an organization named “Los Angeles Cyclists,” you might pick a handle like “lacyclists,” so your URL is: stanza.co/@lacyclists.
Please note that no spaces are allowed in your Stanza name.