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

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

    PropertyDescription
    conditions
    (required)
    arraySet of filter conditions to use for filtering results.
    evaltype
    (required)
    integerFilter condition evaluation method.

    Possible values:
    0 - and/or;
    1 - and;
    2 - or;
    3 - custom expression.
    eval_formulastring(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.
    formulastringUser-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 . 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:

    PropertyDescription
    macro
    (required)
    stringLLD macro to perform the check on.
    value
    (required)
    stringValue to compare with.
    formulaidstringArbitrary 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.
    operatorintegerCondition 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 method pages.

    The LLD macro path has the following properties:

    PropertyTypeDescription
    lld_macro
    (required)
    stringLLD macro.
    path
    (required)
    stringSelector for value which will be assigned to corresponding macro.

    The LLD rule preprocessing object has the following properties.

    PropertyDescription
    type
    (required)
    integerThe preprocessing option type.

    Possible values:
    5 - Regular expression matching;
    11 - XML XPath;
    12 - JSONPath;
    15 - Does not match regular expression;
    16 - Check for error in JSON;
    17 - Check for error in XML;
    20 - Discard unchanged with heartbeat;
    23 - Prometheus to JSON;
    24 - CSV to JSON;
    25 - Replace.
    params
    (required)
    stringAdditional parameters used by preprocessing option. Multiple parameters are separated by LF (\n) character.
    error_handler
    (required)
    integerAction type used in case of preprocessing step failure.

    Possible values:
    0 - Error message is set by Zabbix server;
    1 - Discard value;
    2 - Set custom value;
    3 - Set custom error message.
    error_handler_params
    (required)
    stringError handler parameters. Used with error_handler.

    Must be empty, if error_handler is 0 or 1.
    Can be empty if, error_handler is 2.
    Cannot be empty, if error_handler is 3.
    Preprocessing typeNameParameter 1Parameter 2Parameter 3Supported error handlers
    5Regular expressionpattern1output20, 1, 2, 3
    11XML XPathpath30, 1, 2, 3
    12JSONPathpath30, 1, 2, 3
    15Does not match regular expressionpattern10, 1, 2, 3
    16Check for error in JSONpath30, 1, 2, 3
    17Check for error in XMLpath30, 1, 2, 3
    20Discard unchanged with heartbeatseconds4, 5, 6
    23Prometheus to JSONpattern5, 70, 1, 2, 3
    24CSV to JSONcharacter2character20,10, 1, 2, 3
    25Replacesearch string2replacement2

    1 regular expression
    2 string
    3 JSONPath or XML XPath
    4 positive integer (with support of time suffixes, e.g. 30s, 1m, 2h, 1d)
    5 user macro
    6 LLD macro
    7 Prometheus pattern following the syntax: . Each Prometheus pattern component (metric, label name, label value and metric value) can be user macro.
    8 Prometheus output following the syntax: <label name>.

    The LLD rule overrides object defines a set of rules (filters, conditions and operations) that are used to override properties of different prototype objects. It has the following properties:

    LLD rule override filter

    The LLD rule override filter object defines a set of conditions that if they match the discovered object the override is applied. It has the following properties:

    PropertyDescription
    evaltype
    (required)
    integerOverride filter condition evaluation method.

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

    Required for custom expression override filters.

    LLD rule override filter condition

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

    PropertyDescription
    macro
    (required)
    stringLLD macro to perform the check on.
    value
    (required)
    stringValue to compare with.
    formulaidstringArbitrary 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.
    operatorintegerCondition operator.

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

    LLD rule override operation

    The LLD rule override operation is combination of conditions and actions to perform on the prototype object. It has the following properties:

    PropertyDescription
    operationobject
    (required)
    integerType of discovered object to perform the action.

    Possible values:
    0 - Item prototype;
    1 - Trigger prototype;
    2 - Graph prototype;
    3 - Host prototype.
    operatorintegerOverride condition operator.

    Possible values:
    0 - (default) equals;
    1 - does not equal;
    2 - contains;
    3 - does not contain;
    8 - matches;
    9 - does not match.
    valuestringPattern to match item, trigger, graph or host prototype name depending on selected object.
    opstatusobjectOverride operation status object for item, trigger and host prototype objects.
    opdiscoverobjectOverride operation discover status object (all object types).
    opperiodobjectOverride operation period (update interval) object for item prototype object.
    ophistoryobjectOverride operation history object for item prototype object.
    optrendsobjectOverride operation trends object for item prototype object.
    opseverityobjectOverride operation severity object for trigger prototype object.
    optagarrayOverride operation tag object for trigger prototype object.
    optemplatearrayOverride operation template object for host prototype object.
    opinventoryobjectOverride operation inventory object for host prototype object.
    LLD rule override operation status

    LLD rule override operation status that is set to discovered object. It has the following properties:

    PropertyDescription
    status
    (required)
    integerOverride the status for selected object.

    Possible values:
    0 - Create enabled;
    1 - Create disabled.
    LLD rule override operation discover
    PropertyDescription
    discover
    (required)
    integerOverride the discover status for selected object.

    Possible values:
    0 - Yes, continue discovering the objects;
    1 - No, new objects will not be discovered and existing ones will me marked as lost.
    LLD rule override operation period

    LLD rule override operation period is an update interval value (supports custom intervals) that is set to discovered item. It has the following properties:

    LLD rule override operation history

    LLD rule override operation history value that is set to discovered item. It has the following properties:

    PropertyTypeDescription
    history
    (required)
    stringOverride the history of item prototype which is a time unit of how long the history data should be stored. Also accepts user macro and LLD macro.
    LLD rule override operation trends

    LLD rule override operation trends value that is set to discovered item. It has the following properties:

    PropertyTypeDescription
    trends
    (required)
    stringOverride the trends of item prototype which is a time unit of how long the trends data should be stored. Also accepts user macro and LLD macro.
    LLD rule override operation severity

    LLD rule override operation severity value that is set to discovered trigger. It has the following properties:

    PropertyTypeDescription
    severity
    (required)
    integerOverride the severity of trigger prototype.

    Possible values are: 0 - (default) not classified;
    1 - information;
    2 - warning;
    3 - average;
    4 - high;
    5 - disaster.
    LLD rule override operation tag

    LLD rule override operation tag object contains tag name and values that are set to discovered trigger. It has the following properties:

    PropertyTypeDescription
    tag
    (required)
    stringOverride the tag name of trigger prototype tags.
    valuestringOverride the tag value of trigger prototype tags.
    LLD rule override operation template

    LLD rule override operation template object that is linked to discovered host. It has the following properties:

    PropertyTypeDescription
    templateid
    (required)
    stringOverride the template of host prototype linked templates.
    LLD rule override operation inventory