Prefill application email in WP-Admin

 
add_filter('job_manager_job_listing_wp_admin_fields', 'aas_prefill_application_address_wpadmin');
 
function aas_prefill_application_address_wpadmin( $fields ) {
  $fields ['_application']['value'] = 'email@your-link.com';
 
  return $fields;
}