event category – date order

$tax_post_args = array(
	'relation' => 'AND',
	array(
		'key'     => 'date',
		'value'   => 'event_date_picker',
		'type'    => 'DATE',
	),
	array(
		'key'     => 'event_category',
		'value'   => '$appevent_cat_slug',
		'type'    => 'CHAR',
	),
);