original_string: public function updateSignatureRequest($request_id, $signature_id, $email)
      {
          $response = $this->rest->post(
              static::SIGNATURE_REQUEST_UPDATE_PATH . '/' . $request_id,
              array('signature_id' => $signature_id, 'email_address' => $email)
          );
  
          $this->checkResponse($response);
  
          return new SignatureRequest($response);
      }
code: public function updateSignatureRequest($request_id, $signature_id, $email)
      {
          $response = $this->rest->post(
              static::SIGNATURE_REQUEST_UPDATE_PATH . '/' . $request_id,
              array('signature_id' => $signature_id, 'email_address' => $email)
          );
  
          $this->checkResponse($response);
  
          return new SignatureRequest($response);
      }
code_tokens: public function updateSignatureRequest ( $ request_id , $ signature_id , $ email ) { $ response = $ this -> rest -> post ( static :: SIGNATURE_REQUEST_UPDATE_PATH . '/' . $ request_id , array ( 'signature_id' => $ signature_id , 'email_address' => $ email ) ) ; $ this -> checkResponse ( $ response ) ; return new SignatureRequest ( $ response ) ; }
docstring: Updates the email address for a given signer on a SignatureRequest
  
  @param  string $request_id Signature Request ID to update
  @param  string $signature_id The Signature ID for the recipient
  @param  string $email The new email address for the recipient
  @return SignatureRequest
  @throws BaseException
docstring_tokens: Updates the email address for a given signer on a SignatureRequest