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> LLD rule object

The following objects are directly related to the discoveryrule API.

LLD rule

The low-level discovery rule object has the following properties.

Property Type Description
itemid string (readonly) ID of the LLD rule.
delay
(required)
string Update interval of the LLD rule. Accepts seconds or time unit with suffix and with or without one or more custom intervals that consist of either flexible intervals and scheduling intervals as serialized strings. Also accepts user macros. Flexible intervals could be written as two macros separated by a forward slash. Intervals are separated by a semicolon.
hostid
(required)
string ID of the host that the LLD rule belongs to.
interfaceid
(required)
string ID of the LLD rule's host interface. Used only for host LLD rules.

Optional for Zabbix agent (active), Zabbix internal, Zabbix trapper and database monitor LLD rules.
key_
(required)
string LLD rule key.
name
(required)
string Name of the LLD rule.
type
(required)
integer Type of the LLD rule.

Possible values:
0 - Zabbix agent;
1 - SNMPv1 agent;
2 - Zabbix trapper;
3 - simple check;
4 - SNMPv2 agent;
5 - Zabbix internal;
6 - SNMPv3 agent;
7 - Zabbix agent (active);
10 - external check;
11 - database monitor;
12 - IPMI agent;
13 - SSH agent;
14 - TELNET agent;
16 - JMX agent;
19 - HTTP agent;
url
(required)
string URL string, required for HTTP agent LLD rule. Supports user macros, {HOST.IP}, {HOST.CONN}, {HOST.DNS}, {HOST.HOST}, {HOST.NAME}, {ITEM.ID}, {ITEM.KEY}.
allow_traps integer HTTP agent LLD rule field. Allow to populate value as in trapper item type also.

0 - (default) Do not allow to accept incoming data.
1 - Allow to accept incoming data.
authtype integer Used only by SSH agent or HTTP agent LLD rules.

SSH agent authentication method possible values:
0 - (default) password;
1 - public key.

HTTP agent authentication method possible values:
0 - (default) none
1 - basic
2 - NTLM
description string Description of the LLD rule.
error string (readonly) Error text if there are problems updating the LLD rule.
follow_redirects integer HTTP agent LLD rule field. Follow respose redirects while pooling data.

0 - Do not follow redirects.
1 - (default) Follow redirects.
headers object HTTP agent LLD rule field. Object with HTTP(S) request headers, where header name is used as key and header value as value.

Example:
{ "User-Agent": "Zabbix" }
http_proxy string HTTP agent LLD rule field. HTTP(S) proxy connection string.
ipmi_sensor string IPMI sensor. Used only by IPMI LLD rules.
jmx_endpoint string JMX agent custom connection string.

Default value:
service:jmx:rmi:///jndi/rmi://{HOST.CONN}:{HOST.PORT}/jmxrmi
lifetime string Time period after which items that are no longer discovered will be deleted. Accepts seconds, time unit with suffix and user macro.

Default: 30d.
output_format integer HTTP agent LLD rule field. Should response converted to JSON.

0 - (default) Store raw.
1 - Convert to JSON.
params string Additional parameters depending on the type of the LLD rule:
- executed script for SSH and Telnet LLD rules;
- SQL query for database monitor LLD rules;
- formula for calculated LLD rules.
password string Password for authentication. Used by simple check, SSH, Telnet, database monitor, JMX and HTTP agent LLD rules.
port string Port used by the LLD rule. Used only by SNMP LLD rules.
post_type integer HTTP agent LLD rule field. Type of post data body stored in posts property.

0 - (default) Raw data.
2 - JSON data.
3 - XML data.
posts string HTTP agent LLD rule field. HTTP(S) request body data. Used with post_type.
privatekey string Name of the private key file.
publickey string Name of the public key file.
query_fields array HTTP agent LLD rule field. Query parameters. Array of objects with 'key':'value' pairs, where value can be empty string.
request_method integer HTTP agent LLD rule field. Type of request method.

0 - GET
1 - (default) POST
2 - PUT
3 - HEAD
retrieve_mode integer HTTP agent LLD rule field. What part of response should be stored.

0 - (default) Body.
1 - Headers.
2 - Both body and headers will be stored.

For request_method HEAD only 1 is allowed value.
snmp_community string SNMP community.

Required for SNMPv1 and SNMPv2 LLD rules.
snmp_oid string SNMP OID.
snmpv3_authpassphrase string SNMPv3 auth passphrase. Used only by SNMPv3 LLD rules.
snmpv3_authprotocol integer SNMPv3 authentication protocol. Used only by SNMPv3 LLD rules.

Possible values:
0 - (default) MD5;
1 - SHA.
snmpv3_contextname string SNMPv3 context name. Used only by SNMPv3 checks.
snmpv3_privpassphrase string SNMPv3 priv passphrase. Used only by SNMPv3 LLD rules.
snmpv3_privprotocol integer SNMPv3 privacy protocol. Used only by SNMPv3 LLD rules.

Possible values:
0 - (default) DES;
1 - AES.
snmpv3_securitylevel integer SNMPv3 security level. Used only by SNMPv3 LLD rules.

Possible values:
0 - noAuthNoPriv;
1 - authNoPriv;
2 - authPriv.
snmpv3_securityname string SNMPv3 security name. Used only by SNMPv3 LLD rules.
ssl_cert_file string HTTP agent LLD rule field. Public SSL Key file path.
ssl_key_file string HTTP agent LLD rule field. Private SSL Key file path.
ssl_key_password string HTTP agent LLD rule field. Password for SSL Key file.
state integer (readonly) State of the LLD rule.

Possible values:
0 - (default) normal;
1 - not supported.
status integer Status of the LLD rule.

Possible values:
0 - (default) enabled LLD rule;
1 - disabled LLD rule.
status_codes string HTTP agent LLD rule field. Ranges of required HTTP status codes separated by commas. Also supports user macros as part of comma separated list.

Example: 200,200-{$M},{$M},200-400
templateid string (readonly) ID of the parent template LLD rule.
timeout string HTTP agent LLD rule field. Item data polling request timeout. Support user macros.

default: 3s
maximum value: 60s
trapper_hosts string Allowed hosts. Used by trapper LLD rules or HTTP agent LLD rules.
username string Username for authentication. Used by simple check, SSH, Telnet, database monitor, JMX and HTTP agent LLD rules.

Required by SSH and Telnet LLD rules.
verify_host integer HTTP agent LLD rule field. Validate host name in URL is in Common Name field or a Subject Alternate Name field of host certificate.

0 - (default) Do not validate.
1 - Validate.
verify_peer integer HTTP agent LLD rule field. Validate is host certificate authentic.

0 - (default) Do not validate.
1 - Validate.

LLD rule filter

The LLD rule filter object defines a set of conditions that can be used to filter discovered objects. It has the following properties:

Property Type Description
conditions
(required)
array Set of filter conditions to use for filtering results.
evaltype
(required)
integer Filter condition evaluation method.

Possible values:
0 - and/or;
1 - and;
2 - or;
3 - custom expression.
eval_formula string (readonly) Generated expression that will be used for evaluating filter conditions. The expression contains IDs that reference specific filter conditions by its formulaid. The value of eval_formula is equal to the value of formula for filters with a custom expression.
formula string User-defined expression to be used for evaluating conditions of filters with a custom expression. The expression must contain IDs that reference specific filter conditions by its formulaid. The IDs used in the expression must exactly match the ones defined in the filter conditions: no condition can remain unused or omitted.

Required for custom expression filters.

LLD rule filter condition

The LLD rule filter condition object defines a separate check to perform on the value of an LLD macro. It has the following properties:

Property Type Description
macro
(required)
string LLD macro to perform the check on.
value
(required)
string Value to compare with.
formulaid string Arbitrary unique ID that is used to reference the condition from a custom expression. Can only contain capital-case letters. The ID must be defined by the user when modifying filter conditions, but will be generated anew when requesting them afterward.
operator integer Condition operator.

Possible values:
8 - (default) matches regular expression;
9 - does not match regular expression.

To better understand how to use filters with various types of expressions, see examples on the discoveryrule.get and discoveryrule.create method pages.