code: def url(self):
          
          if self.is_unicode_emoji():
              return Asset(self._state)
  
          _format = 'gif' if self.animated else 'png'
          url = "https://cdn.discordapp.com/emojis/{0.id}.{1}".format(self, _format)
          return Asset(self._state, url)
docs: :class:`Asset`:Returns an asset of the emoji, if it is custom.