':return str: Returns a link to the next_page_url or None if doesn\'t exist.'

@property
def next_page_url(self):

    if (('meta' in self._payload) and ('next_page_url' in self._payload['meta'])):
        return self._payload['meta']['next_page_url']
    elif (('next_page_uri' in self._payload) and self._payload['next_page_uri']):
        return self._version.domain.absolute_url(self._payload['next_page_uri'])
    return None
