Custom attributes passed as [command parameters](03-monitoring-basics.md#command-passing-parameters):
-Name | Description
----------------------|---------------
-cluster_zone | **Required.** The zone name.
-cluster_lag_warning | **Optional.** Warning threshold for log lag in seconds. Applies if the log lag is greater than the threshold.
-cluster_lag_critical | **Optional.** Critical threshold for log lag in seconds. Applies if the log lag is greater than the threshold.
+Name | Description
+-----------------------|---------------
+cluster\_zone | **Required.** The zone name. Defaults to `$host.name$`.
+cluster\_lag\_warning | **Optional.** Warning threshold for log lag in seconds. Applies if the log lag is greater than the threshold.
+cluster\_lag\_critical | **Optional.** Critical threshold for log lag in seconds. Applies if the log lag is greater than the threshold.
### ido <a id="itl-icinga-ido"></a>
Name | Description
-------------|---------------
-ido_type | **Required.** The type of the IDO connection object. Can be either "IdoMysqlConnection" or "IdoPgsqlConnection".
-ido_name | **Required.** The name of the IDO connection object.
+ido\_type | **Required.** The type of the IDO connection object. Can be either "IdoMysqlConnection" or "IdoPgsqlConnection".
+ido\_name | **Required.** The name of the IDO connection object.
### random <a id="itl-random"></a>