code: def set_card_footer(data, trigger):
          
          footer = ''
          if data.get('link'):
              provided_by = _('Provided by')
              provided_from = _('from')
              footer_from = "<br/><br/>{} <em>{}</em> {} <a href='{}'>{}</a>"
              description = trigger.trigger.description
              footer = footer_from.format(provided_by, description, provided_from, data.get('link'), data.get('link'))
              import pypandoc
              footer = pypandoc.convert(footer, 'md', format='html')
          return footer
docs: handle the footer of the note