From acab0a73227054430833e8920ca043ea4ac221e8 Mon Sep 17 00:00:00 2001
From: samuelsallee <76776702+samuelsallee@users.noreply.github.com>
Date: Fri, 4 Sep 2026 23:43:40 +0700
Subject: [PATCH 1/2] marked availability and booking as optional on
 ConfigParticipant

---
 nylas/models/scheduler.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/nylas/models/scheduler.py b/nylas/models/scheduler.py
index 155e244..9e8ac7e 100644
--- a/nylas/models/scheduler.py
+++ b/nylas/models/scheduler.py
@@ -232,8 +232,8 @@ class ConfigParticipant:
     """
 
     email: str
-    availability: ParticipantAvailability
-    booking: ParticipantBooking
+    availability: Optional[ParticipantAvailability] = None
+    booking: Optional[ParticipantBooking] = None
     name: Optional[str] = None
     is_organizer: Optional[bool] = None
     timezone: Optional[str] = None

From 8aba9bf18a56e296649370b47a135972fa1ad754 Mon Sep 17 00:00:00 2001
From: samuelsallee <76776702+samuelsallee@users.noreply.github.com>
Date: Sat, 5 Sep 2026 00:25:04 +0700
Subject: [PATCH 2/2] added test coverage for participants with no booking /
 availability

---
 tests/resources/test_configurations.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tests/resources/test_configurations.py b/tests/resources/test_configurations.py
index 8b2388f..5bfc221 100644
--- a/tests/resources/test_configurations.py
+++ b/tests/resources/test_configurations.py
@@ -38,7 +38,8 @@ def test_configuration_deserialization(self):
                         "calendar_id": "primary"
                     },
                     "timezone": ""
-                }
+                },
+                {"email": "guest_participant@nylas.com"}
             ],
             "requires_session_auth": False,
             "availability": {
@@ -117,6 +118,8 @@ def test_configuration_deserialization(self):
         assert configuration.participants[0].availability.open_hours[0]["timezone"] == ""
         assert configuration.participants[0].booking.calendar_id == "primary"
         assert configuration.participants[0].timezone == ""
+        assert configuration.participants[1].availability == None
+        assert configuration.participants[1].booking == None
         assert configuration.requires_session_auth == False
         assert configuration.availability.duration_minutes == 30
         assert configuration.availability.interval_minutes == 15