/**
  * Get the URL to redirect to the customer to in order to login/authorize their payment on Amazon
  *
  * @since 2.0
  * @return string the URL
  */
 public function get_request_url()
 {
     // allow parameters to be modified prior to generating the signature
     $this->parameters = apply_filters('wc_amazon_fps_cbui_pipeline_parameters', $this->parameters, $this->order);
     return parent::get_request_url();
 }
 /**
  * Get the request URL
  *
  * @since 2.0
  * @return string the request URL
  */
 protected function get_request_url()
 {
     // allow parameters to be modified prior to generating the signature
     $this->parameters = apply_filters('wc_amazon_fps_api_request_parameters', $this->parameters);
     return parent::get_request_url();
 }