...
for the system variable today - the current date will be substituted
for global variables directorsName and companyName - their default values
...
4. System variables in the template
Templates cannot use all system variables. Some of the system variables are needed only for hierarchies. The following system variables can be used in templates: time, today, dateTime, tomorrow, nextWeek, username, userEmail, projectKey, projectName, projectLeadName.