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# Method name: propertyName(newPropertyName: string)

# Method package: wixData

# Method menu location: wixData --> WixDataDistinct --> propertyName

# Method Link: https://dev.wix.com/docs/velo/apis/wix-data/wix-data-distinct/property-name.md

# Method Description:

Specifies the property name by which to return distinct values.

The `propertyName()` method defines the property by which to return distinct values, without duplicates.



# Method Code Examples:

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

## Set the distinct property

```javascript
// Set the property by which the distinct query is defined

let distinctQuery = query.distinct.propertyName("company");
```

## Check and change the distinct property

```javascript
// In data.js

export function myCollection_beforeDistinct(distinct, context) {
  // Get the current property name that defines the distinct query
  const currentPropertyName = distinct.getPropertyName();

  // Modify the property name if needed
  if (currentPropertyName === "secretField") {
    const updatedPropertyName = "firstName";
    distinct.propertyName(updatedPropertyName);
  }

  return distinct;
}
```

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