# 5 Discovery rules

#### Overview

The list of low-level discovery rules for a template can be accessed
from *Configuration → Templates* and then clicking on Discovery for the
respective template.

The list of low-level discovery rules for a host can be accessed from
*Configuration → Hosts* and then clicking on Discovery for the
respective host.

A list of existing low-level discovery rules is displayed.

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

Displayed data:

|Column|Description|
|------|-----------|
|*Name*|Name of the rule, displayed as a blue link.<br>Clicking on the rule name opens the low-level discovery rule [configuration form](/manual/discovery/low_level_discovery#discovery_of_file_systems).<br>If the discovery rule belongs to a template, the template name is displayed before the rule name, as a grey link. Clicking on the template link will open the rule list on the template level.|
|*Items*|A link to the list of item prototypes is displayed.<br>The number of existing item prototypes is displayed in parentheses.|
|*Triggers*|A link to the list of trigger prototypes is displayed.<br>The number of existing trigger prototypes is displayed in parentheses.|
|*Graphs*|A link to the list of graph prototypes displayed.<br>The number of existing graph prototypes is displayed in parentheses.|
|*Key*|The item key used for discovery is displayed.|
|*Interval*|The frequency of performing discovery is displayed.|
|*Type*|The item type used for discovery is displayed (Zabbix agent, SNMP agent, etc).|
|*Status*|Discovery rule status is displayed - *Enabled*, *Disabled* or *Not supported*. By clicking on the status you can change it - from Enabled to Disabled or from Disabled and Not supported to Enabled.|
|*Error*|A green checkbox icon is displayed if there are no errors. A red square icon with a cross is displayed if there are errors.|

To configure a new low-level discovery rule, click on the *Create
discovery rule* button in the top right-hand corner.

##### Mass editing options

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

-   *Enable selected* - change the low-level discovery rule status to
    *Enabled*
-   *Disable selected* - change the low-level discovery rule status to
    *Disabled*
-   *Delete selected* - delete the low-level discovery rules

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