# `RollupFieldMetric` [interface-RollupFieldMetric]

| Name | Type | Description |
| - | - | - |
| `field` | [Field](./Field.md) | The field to collect metrics for. This must be a numeric of some kind. |
| `metrics` | [RollupMetric](./RollupMetric.md)[] | An array of metrics to collect for the field. At least one metric must be configured. |