elasticsearch\ActiveFixture $dataFile

The file path or path alias of the data file that contains the fixture data to be returned by getData(). If this is not set, it will default to FixturePath/data/Index/Type.php, where FixturePath stands for the directory containing this fixture class, Index stands for the elasticsearch $index name and Type stands for the $type associated with this fixture. You can set this property to be false to prevent loading any data.