diff --git a/googleads/ad_manager.py b/googleads/ad_manager.py
index f8f5dbaa..0424b87d 100644
--- a/googleads/ad_manager.py
+++ b/googleads/ad_manager.py
@@ -877,12 +877,14 @@ def _GetPqlService(self):
           'PublisherQueryLanguageService', self._version, self._server)
     return self._pql_service
 
-  def WaitForReport(self, report_job):
+  def WaitForReport(self, report_job, poolTimeSeconds = 30):
     """Runs a report, then waits (blocks) for the report to finish generating.
 
     Args:
       report_job: The report job to wait for. This may be a dictionary or an
           instance of the SOAP ReportJob class.
+      poolTimeSeconds: The number of seconds to wait for the report to finish
+          generating before timing out. Defaults to 30 seconds.
 
     Returns:
       The completed report job's ID as a string.
@@ -897,7 +899,7 @@ def WaitForReport(self, report_job):
 
     while status != 'COMPLETED' and status != 'FAILED':
       _data_downloader_logger.debug('Report job status: %s', status)
-      time.sleep(30)
+      time.sleep(poolTimeSeconds)
       status = service.getReportJobStatus(report_job_id)
 
     if status == 'FAILED':
@@ -1110,4 +1112,4 @@ def AdManagerClassType(value):
   Returns:
     str: A string representation of the value response type.
   """
-  return value.__class__.__name__
+  return value.__class__.__name__
\ No newline at end of file