gistfile1.rb

def single_widget_params
    params.require(:single_widget).permit(
      :title, :max_votes_per_day, :expires_at_date, :cms_title,
      :expires_at_time, :logo, :logo_cache, :start_screen_text, :tos_text, :recording_tips, :hashtags,
        :id, :respond_button_color, :respond_button_font_color,
        :video_max_length,
        widget_video: [
          video_attributes: [
            :id, :creation_mode, :description, :username, :embed_code,
            :cover_photo, :cover_photo_cache, :tag_list
          ]
        ]
    )
  end