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# Test Measure Definition fields

# Test Measure Definition form fields {#ariaid-title1}

Release version: Brazil  
Updated October 13, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Review the fields on the Test Measure Definition form in the Service Test Management application.
Test measure definitions are optional. You can publish a test definition that has none. To define one, see [Define test measure definitions for a service test](https://www.servicenow.com/docs/RO6uUXF1vhmyTHxa~IRfhg "Define the values that a test captures, such as the metric, the unit, and how often the value is captured.").
{#test-measure-definition-fields__table_test_measure_def_fields__entry__2}

| Field | Description |
|-|-|
| Number | Identifier that the system generates for the test measure definition. |
| Name | Name of the test measure definition. Required. Maximum 250 characters. |
| Metric name | Name of the metric that the test captures. Required. Maximum 250 characters. |
| Metric description | Description of the metric. Maximum 4,000 characters. |
| Unit of measure | Unit that the captured value is expressed in, such as seconds or megabits per second. Required. |
| Value type | Type of the captured value: Number, String, or Boolean. The type determines which comparator a threshold rule can use. See [Threshold Rule form fields](https://www.servicenow.com/docs/vhMhMGjLB23XT8QqdP9uuw "Review the fields on the Threshold Rule form and the rules that govern which comparators and targets you can combine."). |
| Capture frequency | How often the value is captured: Once, Daily, Weekly, or Monthly. |
| Capture method | How the value is captured: Automatic or Manual. |
| Capture period | Duration over which the value is captured. |
| Validity start date time | Date and time from which the test measure definition applies. |
| Validity end date time | Date and time at which the test measure definition stops applying. This value can't be earlier than the validity start date and time. |
| Test definition | Test definition that the test measure definition belongs to. The system fills in this field. |
[Table 1. Test Measure Definition]

{#test-measure-definition-fields__table_test_measure_def_fields}
**Related concepts**   

* [Setting up test definitions](https://www.servicenow.com/docs/ldgIJkiGiOSbH10RIWgU5g "Define test definition to specify the parameters, metrics, and threshold rules for a service test in the Service Test Management application.")