# DocumentChangeQuery constructor Null safety

const DocumentChangeQuery(

1. {required EliudQuery? newQuery}

)

## Implementation

    const DocumentChangeQuery({required this.newQuery});

1. eliud_pkg_fundamentals
2. document_list_event
3. DocumentChangeQuery
4. DocumentChangeQuery const constructor

##### DocumentChangeQuery class

1. Constructors
2. DocumentChangeQuery
3. Properties
4. hashCode
5. newQuery
6. props
7. runtimeType
8. stringify
9. Methods
10. noSuchMethod
11. toString
12. Operators
13. operator ==