You can use the example below to create a new set of preset Bulk Edit options. Change 'Set Name' to the name of your new option set. Replace Option 1, Option 2, and Option 3 with your custom options.

add_filter('frm_bulk_field_choices', 'add_custom_frm_options');
function add_custom_frm_options( $opts ){
  $opts['Set Name'] = array('Option 1', 'Option 2', 'Option 3');
  return $opts;
}