code: def bm_create_button(self, **kwargs):
          
          kwargs.update(self._sanitize_locals(locals()))
          return self._call('BMCreateButton', **kwargs)
docs: Shortcut to the BMCreateButton method.
  
          See the docs for details on arguments:
          https://cms.paypal.com/mx/cgi-bin/?cmd=_render-content&content_ID=developer/e_howto_api_nvp_BMCreateButton
  
          The L_BUTTONVARn fields are especially important, so make sure to
          read those and act accordingly. See unit tests for some examples.