Jason Young <jyoung15@gmail.com>
Jean-Marcel Flach <jean-marcel.flach@netways.de>
Johannes Meyer <johannes.meyer@netways.de>
+Jonas Meurer <jonas@freesources.org>
Marcus van Dam <marcus@marcusvandam.nl>
Markus Frosch <markus@lazyfrosch.de>
Michael Friedrich <michael.friedrich@netways.de>
In this example the `assign where` condition is a boolean expression which is
evaluated for all objects of type `Host` and a new service with name "ping"
-is created for each matching host.
+is created for each matching host. [Expression operators](#expression-operators)
+may be used in `assign where` conditions.
The `to` keyword and the target type may be omitted if there is only one target
type, e.g. for the `Service` type.
In this example the `assign where` condition is a boolean expression which is evaluated
for all objects of the type `Host`. Each matching host is added as member to the host group
with the name "linux-servers". Membership exclusion can be controlled using the `ignore where`
-condition.
+condition. [Expression operators](#expression-operators) may be used in `assign where` and
+`ignore where` conditions.
Source Type | Variables
------------------|--------------
Empty dictionary | {} | false
Non-empty dictionary | { key = "value" } | true
+For a list of supported expression operators for `assign where` and `ignore where`
+statements, see [expression operators](#expression-operators).
+
### <a id="comments"></a> Comments
The Icinga 2 configuration format supports C/C++-style and shell-style comments.