Variables are promises that can be defined in any promise bundle. Users can create their own variables.
To see all of the variables defined on a particular host, run
$ cf-promises --show-vars
as a privileged user. See Classes for an explanation of the tags.
CFEngine includes the following special variables:
const Variables defined for embedding unprintable values or values with special meanings in strings.
edit Variables used to access information about editing promises during their execution.
match Variable used in string matching.
mon Variables defined in a monitoring context.
sys Variables defined in order to automate discovery of system values.
def Variables with some default value that can be defined by augments file or in policy.
this Variables used to access information about promises during their execution.