--- title: customMetric slug: /main-concepts/metadata-standard/schemas/tests/custommetric --- # CustomMetric *Custom Metric definition that we will associate with a column.* ## Properties - **`id`**: Unique identifier of this Custom Metric instance. Refer to *../type/basic.json#/definitions/uuid*. - **`name`**: Name that identifies this Custom Metric. Refer to *../type/basic.json#/definitions/entityName*. - **`description`**: Description of the Metric. Refer to *../type/basic.json#/definitions/markdown*. - **`columnName`** *(string)*: Name of the column in a table. - **`expression`** *(string)*: SQL expression to compute the Metric. It should return a single numerical value. - **`owner`**: Owner of this Custom Metric. Refer to *../type/entityReference.json*. Default: `None`. - **`updatedAt`**: Last update time corresponding to the new version of the entity in Unix epoch time milliseconds. Refer to *../type/basic.json#/definitions/timestamp*. - **`updatedBy`** *(string)*: User who made the update. Documentation file automatically generated at 2023-10-27 13:55:46.343512.