# `AggregationsDateRangeExpression` [interface-AggregationsDateRangeExpression]

| Name | Type | Description |
| - | - | - |
| `from` | [AggregationsFieldDateMath](./AggregationsFieldDateMath.md) | Start of the range (inclusive). |
| `key` | string | Custom key to return the range with. |
| `to` | [AggregationsFieldDateMath](./AggregationsFieldDateMath.md) | End of the range (exclusive). |