diff --git a/pycronofy/client.py b/pycronofy/client.py
index 99a944c..872d742 100644
--- a/pycronofy/client.py
+++ b/pycronofy/client.py
@@ -608,7 +608,16 @@ def authorize_multiple_accounts_via_service_account(self, service_account_author
             endpoint="service_account_authorizations", data=params)
         None
 
-    def real_time_scheduling(self, availability, oauth, event, target_calendars=(), minimum_notice=None, callback_url=None, callback_urls=None, redirect_urls=None):
+    def real_time_scheduling(self,
+                             availability,
+                             oauth,
+                             event,
+                             target_calendars=(),
+                             minimum_notice=None,
+                             callback_url=None,
+                             callback_urls=None,
+                             redirect_urls=None,
+                             event_creation=None):
         """Generates an real time scheduling link to start the OAuth process with
         an event to be automatically upserted
 
@@ -643,6 +652,10 @@ def real_time_scheduling(self, availability, oauth, event, target_calendars=(),
         :param dict redirect_urls: - A dict containing redirect URLs for the end-user's journey
             :completed_url         - A String representing the URL the end-user
                                      will be redirected to after choosing a slot
+        :param string event_creation: - A string to determine behaviour of event creation.
+                                        The value of 'single' will create the resulting event in a single
+                                        calendar. 'default' if omitted, creates an event in each calendar
+                                        listed in target_calendars. See docs for more details. (Optional)
 
         See https://docs.cronofy.com/developers/api/scheduling/real-time-scheduling/ for reference.
         """
@@ -674,6 +687,9 @@ def real_time_scheduling(self, availability, oauth, event, target_calendars=(),
         if redirect_urls:
             args['redirect_urls'] = redirect_urls
 
+        if event_creation:
+            args['event_creation'] = event_creation
+
         return self.request_handler.post(endpoint='real_time_scheduling', data=args, use_api_key=True).json()
 
     def get_real_time_scheduling_status(self, token=None, real_time_scheduling_id=None):
diff --git a/pycronofy/tests/test_real_time_scheduling.py b/pycronofy/tests/test_real_time_scheduling.py
index 698959e..801c742 100644
--- a/pycronofy/tests/test_real_time_scheduling.py
+++ b/pycronofy/tests/test_real_time_scheduling.py
@@ -67,6 +67,8 @@ def request_callback(request):
         assert payload['callback_url'] == 'http://www.example.com/callback'
         assert payload['redirect_urls']['completed_url'] == 'http://www.example.com/completed'
 
+        assert payload['event_creation'] == "single"
+
         assert request.headers['Authorization'] == "Bearer %s" % client.auth.client_secret
 
         return (200, {}, json.dumps(REAL_TIME_SCHEDULING_RESPONSE))
@@ -116,7 +118,9 @@ def request_callback(request):
         'completed_url': 'http://www.example.com/completed'
     }
 
-    result = client.real_time_scheduling(availability, oauth, TEST_EVENT, [], minimum_notice, callback_url=callback_url, redirect_urls=redirect_urls)
+    event_creation = "single"
+
+    result = client.real_time_scheduling(availability, oauth, TEST_EVENT, [], minimum_notice, callback_url=callback_url, redirect_urls=redirect_urls, event_creation=event_creation)
     assert result == REAL_TIME_SCHEDULING_RESPONSE