function plugin_add_settings_link( $links ) {
$settings_link = '<a href="plugin-editor.php?plugin=Festool+Online+Site+Specific+Plugin%2Ffestoolonline-plugin.php&Submit=Select">' . __( 'Edit' ) . '</a>';
array_push( $links, $settings_link );
return $links;
}
$plugin = plugin_basename( __FILE__ );
add_filter( "plugin_action_links_$plugin", 'plugin_add_settings_link' );