Available commands about indicators:

indicator-create -n name -t type [-s scale] [-d property]*
  type : identifies the Collector (jmx, derived, aggregate, df, lewys, ...)
  scale: value used to divide the rough probe result. (default = 1)
  property must have the form "key=value" and depend on the type.

indicator-change -n name [-t type] [-d property]* [-u property]*
  type : identifies the Collector (jmx, derived, aggregate, df, lewys, ...)
  property must have the form "key=value" and depend on the type.
  only changed parameters must be supplied
  to undefine a property, use -u.

indicator-remove -n name

indicator-list [-n name [-usage]]
  if no -n option, the list of indicators is printed.
  -usage: the list of probes using it is printed, with their state.

indicator-types
  list all supported indicator types

indicator-properties -t type
  list properties for that indicator type
  mandatory properties are flagged by an "*".
