variables for Alerts

I'm currently creating custom alert templates for WSS 3.0 / MOSS 2007. I noticed you can use a GetVar element for obtaining properties of the item that triggered the alert, i.e.:


AlertFrequency - The time interval for sending an alert. Possible values include 0 (immediate), 1 (daily), or 2 (weekly).
EventType - The type of event. Possible values include 1 (item added), 2 (item modified), 4 (item deleted), 16 (discussion added), 32 (discussion modified), 64 (discussion deleted), 128 (discussion closed), and 256 (discussion activated).
ItemName - The title of the item.
ItemUrl - The absolute URL for the item.
ListName - The name of the list.
ListUrl - The absolute URL for the list.
ModifiedBy - The display name of the user who modified the item.
MySubsUrl - The absolute URL for the My Alerts on this Site page in Site Settings.
SiteLanguage - The locale identifier (LCID) for the language used on the site. For example, 1033 is the LCID for U.S. English.
SiteName - The title of the site.
SiteUrl - The absolute URL for the site.
TimeLastModified - The time at which the item was last modified.