# 3 Triggers

#### Overview

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.

A list of existing triggers is displayed. By default, only the enabled
triggers are displayed. To display disabled triggers as well, use the
*Show disabled triggers* link to the right in the Triggers bar.

![](../../../../../../assets/en/manual/web_interface/triggers_conf.png){width="600"}

Displayed data:

|Column|Description|
|------|-----------|
|*Severity*|Severity of the trigger is displayed by both name and cell background colour.|
|*Name*|Name of the trigger, mostly displayed as a blue link except for triggers created from trigger prototypes.<br>Clicking on the trigger name link opens the trigger [configuration form](/manual/config/triggers/trigger#configuration).<br>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.<br>If the trigger has been created from a trigger prototype, its name is preceded by the low level discovery rule name, in khaki. 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* or *Disabled*. By clicking on the status you can change it.|
|*Error*|A green checkbox icon displayed if there are no errors. A red icon with a cross is displayed if there are errors.|

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

##### Mass editing options

A dropdown below the list offers some mass-editing options:

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

To use these options, mark the check-boxes before the respective
triggers, then select the required option and click on "Go".