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[`BasesQueryResult`](BasesQueryResult) › [`getSummaryValue`](BasesQueryResult/getSummaryValue)
## BasesQueryResult.getSummaryValue() method
Applies a summary function to a single property over a set of entries.
1.10.0
**Signature:**
```typescript
getSummaryValue(queryController: QueryController, entries: BasesEntry[], prop: BasesPropertyId, summaryKey: string): Value;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| <code>queryController</code> | [`QueryController`](QueryController) | |
| <code>entries</code> | [`BasesEntry`](BasesEntry)<code>[]</code> | |
| <code>prop</code> | [`BasesPropertyId`](BasesPropertyId) | |
| <code>summaryKey</code> | <code>string</code> | |
**Returns:**
[`Value`](Value)