def patch(self, restApi, data={}, silentMode=False, ignoreError=False, maxRetries=5):
        """
        Description
           A HTTP PATCH function to modify configurations.

        Parameters
           restApi: (str): The REST API URL.
           data: (dict): The data payload for the URL.
           silentMode: (bool):  To display on stdout: URL, data and header info.
           ignoreError: (bool): True: Don't raise an exception.  False: The response will be returned.
           maxRetries: <int>: The maximum amount of GET retries before declaring as server connection failure.
        """
        retryInterval = 3
        restExecutionFailures = 0
        while True:
            if silentMode == False:
                self.logInfo('\n\tPATCH: {0}\n\tDATA: {1}'.format(restApi, data))

            try:
                response = self._session.request('PATCH', restApi, data=json.dumps(data), headers=self.jsonHeader, allow_redirects=True, 
                                          verify=self.verifySslCert)

                if silentMode == False:
                    for redirectStatus in response.history:
                        if '307' in str(response.history):
                            self.logInfo('\t{0}: {1}'.format(redirectStatus, response.url), timestamp=False)

                    self.logInfo('\tSTATUS CODE: %s' % response.status_code, timestamp=False)

                    if ignoreError == False:
                        if not str(response.status_code).startswith('2'):
                            if response.json() and  'errors' in response.json():
                                errMsg = 'PATCH Exception error: {0}\n'.format(response.json()['errors'])
                                raise IxNetRestApiException('PATCH error: {0}\n'.format(errMsg))

                return response

            except (requests.exceptions.RequestException, Exception) as errMsg:
                errMsg = 'PATCH Exception error {}/{} retries: {}\n'.format(restExecutionFailures, maxRetries, errMsg)

                if restExecutionFailures < maxRetries:
                    self.logError(errMsg)
                    restExecutionFailures += 1
                    time.sleep(retryInterval)
                    continue
                
                if restExecutionFailures == maxRetries:
                    raise IxNetRestApiException(errMsg)