Yes, i know but i have seen in the help section that we can use all this tag :
Contact Details
The values here are taken from the chosen contact for the specific event, or the default contact in the settings page.
#_CONTACTNAME
Name of the contact person for this event (as shown in the dropdown when adding an event).
#_CONTACTUSERNAME
Contact person's username.
#_CONTACTEMAIL
E-mail of the contact person for this event.
#_CONTACTURL
Website of the contact person for this event.
#_CONTACTPHONE
Phone number of the contact person for this event. Can be set in the user profile page.
#_CONTACTAVATAR
Contact person's avatar.
#_CONTACTPROFILELINK
Contact person's "Profile" link. Only works with BuddyPress enabled.
#_CONTACTPROFILEURL
Contact person's profile url. Only works with BuddyPress enabled.
#_CONTACTID
Contact person's WordPress user ID.
#_CONTACTMETA
Display any user meta of a WordPress account by including the meta key, e.g. #_CONTACTMETA{dbem_phone}