Smartfox Tax Query

$tax_query = array(
	array(
		'taxonomy'         => 'geraete',
		'terms'            => 'smartfox-pro',
		'field'            => 'slug',
		'operator'         => 'IN',
		'include_children' => true,
	),
	array(
		'taxonomy'         => 'themen',
		'terms'            => 'e-mobility-zubehoer',
		'field'            => 'slug',
		'include_children' => true,
	),
);