function unit_field_field_info() {
  // Load all the plugins of type 'unit_field'
  ctools_include('plugins');
  $unit_fields = ctools_get_plugins('unit_field', 'unit_field');
  $fields = array();
  // Get all the available unit fields in an array.
  foreach ($unit_fields as $unit_field_name => $unit_field) {
    $fields[$unit_field_name] = array(
      'label' => $unit_field['name'],
      'description' => $unit_field['description'],
      'default_widget' => 'unit_field_field_widget',
      'default_formatter' => 'unit_field_field_formatter',
    );
  }

  return $fields;
}