> For the complete documentation index, see [llms.txt](https://developer.collibra.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.collibra.com/api/graphql/data-access/object-types/data-comparison-expression-reference.md).

# DataComparisonExpressionReference

Represents an operand referring to an object in the Collibra Data Access graph

```graphql
type DataComparisonExpressionReference {
  entityId: ID!
  entityType: DataComparisonExpressionEntityType!
  item: DataObject
}
```

### Fields

#### entityId ● [`ID!`](/api/graphql/data-access/scalars/id.md) non-null scalar <a href="#entity-id" id="entity-id"></a>

The ID of the entity.

#### entityType ● [`DataComparisonExpressionEntityType!`](/api/graphql/data-access/enumerations/data-comparison-expression-entity-type.md) non-null enum <a href="#entity-type" id="entity-type"></a>

The type with which the object is referenced.

#### item ● [`DataObject`](/api/graphql/data-access/object-types/data-object.md) object <a href="#item" id="item"></a>

The actual data object that is referenced.

### Implemented By

[`DataComparisonExpressionOperand`](/api/graphql/data-access/unions/data-comparison-expression-operand.md) union