array(
'key' => 'field_5a4a539c31e4f',
'name' => 'start_date',
'type' => 'date_picker',
'instructions' => 'Старт',
'required' => 0,
'display_format' => 'F j, Y',
'return_format' => 'Ymd',
'first_day' => 1,
),
array(
'key' => 'field_5a4a539c31e4d',
'name' => 'finish_date',
'type' => 'date_picker',
'instructions' => 'Окончание',
'required' => 0,
'display_format' => 'F j, Y',
'return_format' => 'Ymd',
'first_day' => 1,
),