IsFieldEmpty Criterion¶
The IsFieldEmpty Search Criterion
searches for content based on whether a specified Field is empty or not.
Arguments¶
fieldDefinitionIdentifier- string representing the identifier of the Field- (optional) 
value- bool representing whether to search for empty (defaulttrue), or non-empty Fields (false). 
Limitations¶
The Richtext Field Type (ezrichtext) is not searchable in the Legacy search engine.   
Example¶
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Use case¶
You can use the IsFieldEmpty Criterion to search for articles that do not have an image:
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