code: public function set_language() {
  
  		$plugin_slug = App::EFG()->getOption( 'slug' );
  		$module_slug = Module::CustomImagesGrifus()->getOption( 'slug' );
  
  		$path = $plugin_slug . '/modules/' . $module_slug . '/languages/';
  
  		load_plugin_textdomain( $plugin_slug . '-images', false, $path );
  	}
docs: Set plugin textdomain.