function CopyFile() {

      $TemplateFileSourceURL = __DIR__ . '/pag-portafolio.php'; // Address to your file in the plugin directory
      $TemplateFileTargetURL = get_stylesheet_directory() . '/page-pag-portafolio.php'; // Note the "page-" prefix, it is necessary for WP to select this file instead of the general "page.php". The name after the prefix must match the slug of the page created in WP.

      if ( !file_exists( $TemplateFileSourceURL ) ) {
        return FALSE;
      }

      $GetTemplate = file_get_contents( $TemplateFileSourceURL );
      if ( !$GetTemplate ) {
        return FALSE;
      }

      $WriteTemplate = file_put_contents( $TemplateFileTargetURL, $GetTemplate );
      if ( !$WriteTemplate ) {
        return FALSE;
      }

$TemplateFileSourceURL = __DIR__ . '/single-portafolio.php'; // Address to your file in the plugin directory
      $TemplateFileTargetURL = get_stylesheet_directory() . '/page-single-portafolio.php'; // Note the "page-" prefix, it is necessary for WP to select this file instead of the general "page.php". The name after the prefix must match the slug of the page created in WP.

      if ( !file_exists( $TemplateFileSourceURL ) ) {
        return FALSE;
      }

      $GetTemplate = file_get_contents( $TemplateFileSourceURL );
      if ( !$GetTemplate ) {
        return FALSE;
      }

      $WriteTemplate = file_put_contents( $TemplateFileTargetURL, $GetTemplate );
      if ( !$WriteTemplate ) {
        return FALSE;
      }

      return TRUE;
    }