$_field
$_field : string
The field to check
Validates the count of associated records.
__invoke(\Cake\Datasource\EntityInterface $entity, array $options) : boolean
Performs the count check
\Cake\Datasource\EntityInterface | $entity | The entity from where to extract the fields. |
array | $options | Options passed to the check. |
True if successful, else false.
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