# SimulationMetricReferenceType (Complex Type)

### Namespace: http://midpoint.evolveum.com/xml/ns/public/common/common-3

Reference to a metric - either by identifier (for explicitly defined ones) or by mark OID (for event mark based).

Item Summary
Name | Type | Multiplicity | Description
--- | --- | --- | ---
identifier | property string | [0,1] | Identifier of an explicitly defined (custom) metric.
builtIn | property BuiltInSimulationMetricType | [0,1] | Identifier of a built-in metric.
eventMarkRef | reference ObjectReferenceType | [0,1] | Reference to an event mark.

- ### Items

  - #### identifier

    Flags: RAM,runtime

    Multiplicity: [0,1]

    Identifier of an explicitly defined (custom) metric.

  - #### builtIn

    Flags: RAM,runtime,AVals:4

    Multiplicity: [0,1]

    Identifier of a built-in metric.

  - #### eventMarkRef

    Flags: RAM

    Multiplicity: [0,1]

    Reference to an event mark.