original_string: public function send(array $params)
      {
          $params['appid'] = $this->app['config']->app_id;
          $params['openid_count'] = 1;
  
          return $this->safeRequest('mmpaymkttransfers/send_coupon', $params);
      }
code: public function send(array $params)
      {
          $params['appid'] = $this->app['config']->app_id;
          $params['openid_count'] = 1;
  
          return $this->safeRequest('mmpaymkttransfers/send_coupon', $params);
      }
code_tokens: public function send ( array $ params ) { $ params [ 'appid' ] = $ this -> app [ 'config' ] -> app_id ; $ params [ 'openid_count' ] = 1 ; return $ this -> safeRequest ( 'mmpaymkttransfers/send_coupon' , $ params ) ; }
docstring: send a cash coupon.
  
  @param array $params
  
  @return \Psr\Http\Message\ResponseInterface|\EasyWeChat\Kernel\Support\Collection|array|object|string
  
  @throws \EasyWeChat\Kernel\Exceptions\InvalidConfigException
docstring_tokens: send a cash coupon .