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3 Triggers


The trigger list for a template can be accessed from Configuration → Templates and then clicking on Triggers for the respective template.

The trigger list for a host can be accessed from Configuration → Hosts and then clicking on Triggers for the respective host.

Displayed data:

Column Description
Severity Severity of the trigger is displayed by both name and cell background colour.
Name Name of the trigger, displayed as a blue link to trigger details.
Clicking on the trigger name link opens the trigger configuration form.
If the host trigger belongs to a template, the template name is displayed before the trigger name, as a grey link. Clicking on the template link will open the trigger list on the template level.
If the trigger has been created from a trigger prototype, its name is preceded by the low level discovery rule name, in orange. Clicking on the discovery rule name will open the trigger prototype list.
Expression Trigger expression is displayed. The host-item part of the expression is displayed as a link, leading to the item configuration form.
Status Trigger status is displayed - Enabled, Disabled or Unknown. By clicking on the status you can change it - from Enabled to Disabled (and back); from Unknown to Disabled (and back).
Info If everything is fine, no icon is displayed in this column. If there are errors, a red square icon with a cross is displayed. Move the mouse over the icon and you will see a tooltip with the error description.

To configure a new trigger, click on the Create trigger button in the top right-hand corner.

Mass editing options

Buttons below the list offer some mass-editing options:

  • Enable - change trigger status to Enabled
  • Disable - change trigger status to Disabled
  • Copy - copy the triggers to other hosts or templates
  • Mass update - update several properties for a number of triggers at once
  • Delete - delete the triggers

To use these options, mark the checkboxes before the respective triggers, then click on the required button.

Using filter

You can use the filter to display only the triggers you are interested in. For better search performance, data is searched with macros unresolved.

The Filter icon is available at the top right corner. Clicking on it will open a filter where you can specify the desired filtering criteria.

Parameter Description
Host groups Filter by one or more host groups.
Specifying a parent host group implicitly selects all nested host groups.
Host groups containing templates only cannot be selected.
Hosts Filter by one or more hosts.
If host groups are already selected above, host selection is limited to those groups.
Name Filter by trigger name.
Severity Select to filter by one or several trigger severities.
State Filter by trigger state.
Status Filter by trigger status.
Value Filter by trigger value.
Tags Filter by trigger tag name and value. It is possible to include as well as exclude specific tags and tag values. Several conditions can be set. Tag name matching is always case-sensitive.
There are several operators available for each condition:
Exists - include the specified tag names
Equals - include the specified tag names and values (case-sensitive)
Contains - include the specified tag names where the tag values contain the entered string (substring match, case-insensitive)
Does not exist - exclude the specified tag names
Does not equal - exclude the specified tag names and values (case-sensitive)
Does not contain - exclude the specified tag names where the tag values contain the entered string (substring match, case-insensitive)
There are two calculation types for conditions:
And/Or - all conditions must be met, conditions having the same tag name will be grouped by the Or condition
Or - enough if one condition is met
Macros and macro functions are supported both in tag name and tag value fields.
Inherited Filter triggers inherited (or not inherited) from a template.
Discovered Filter triggers discovered (or not discovered) by low-level discovery.
With dependencies Filter triggers with (or without) dependencies.