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# Method name: length()

# Method package: wixData

# Method menu location: wixData --> WixDataAggregateResult --> length

# Method Link: https://dev.wix.com/docs/velo/apis/wix-data/wix-data-aggregate-result/length.md

# Method Description:

Returns the number of values in the aggregate results.



# Method Code Examples:

*** Note: do not assume any prop names or enum values other than the ones in the example.

## Get the number of values in the aggregate results

```javascript
let length = results.length; // 4
```

## Run an aggregation and get the number of values in the aggregate results

```javascript
import wixData from 'wix-data';

wixData.aggregate("PopulationData")
  .group("state")
  .max("population")
  .run()
  .then((results) => {
    let length = results.length;  // 3
  });
```

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