/**
 * meta_keywords
 *
 * Meta keywords
 *
 * @category        tv
 * @name            meta_keywords
 * @internal        @caption Meta keywords
 * @internal        @input_type text
 * @internal        @input_options
 * @internal        @input_default [*pagetitle*]
 * @internal        @output_widget 
 * @internal        @output_widget_params 
 * @internal        @lock_tv 0
 * @internal        @template_assignments Home
 * @internal        @modx_category SEO
 * @internal        @installset sample
 */