Select with CPT Tags

Select with “custom post type” tags

Select with CPT (custom post type) tags learn more query_args

array(
  'id'             => 'unique_option_513',
  'type'           => 'select',
  'title'          => 'Select Field for CPT Tags',
  'options'        => 'tags',
  'query_args'     => array(
    'taxonomies'   => array( 'post_tag', 'your_tax' ),
    'orderby'      => 'post_date',
    'order'        => 'ASC',
  ),
  'default_option' => 'Select a tag',
),