diff --git a/src/Events/Event.php b/src/Events/Event.php
index 17e79de..3dba178 100644
--- a/src/Events/Event.php
+++ b/src/Events/Event.php
@@ -54,6 +54,26 @@ class Event
      */
     public $socialDistancingRulesetKey;
 
+    /**
+     * @var string
+     */
+    public $topLevelSeasonKey;
+
+    /**
+     * @var bool
+     */
+    public $isTopLevelSeason;
+
+    /**
+     * @var bool
+     */
+    public $isPartialSeason;
+
+    /**
+     * @var bool
+     */
+    public $isEventInSeason;
+
     public function isSeason() {
         return false;
     }
diff --git a/tests/Events/RetrieveEventTest.php b/tests/Events/RetrieveEventTest.php
index b2d4a03..2523110 100644
--- a/tests/Events/RetrieveEventTest.php
+++ b/tests/Events/RetrieveEventTest.php
@@ -16,6 +16,7 @@ public function test()
         $retrievedEvent = $this->seatsioClient->events->retrieve($event->key);
 
         self::assertEquals($event->key, $retrievedEvent->key);
+        self::assertEquals(false, $retrievedEvent->isEventInSeason);
         self::assertEquals($event->id, $retrievedEvent->id);
         self::assertEquals($chartKey, $retrievedEvent->chartKey);
         self::assertEquals(TableBookingConfig::inherit(), $retrievedEvent->tableBookingConfig);
@@ -35,6 +36,7 @@ public function testRetrieveSeason()
         $retrievedSeason = $this->seatsioClient->events->retrieve($season->key);
 
         self::assertEquals('aSeason', $retrievedSeason->key);
+        self::assertEquals(true, $retrievedSeason->isTopLevelSeason);
         self::assertEquals(['partialSeason1', 'partialSeason2'], $retrievedSeason->partialSeasonKeys);
     }
 
diff --git a/tests/Seasons/CreateEventsInSeasonTest.php b/tests/Seasons/CreateEventsInSeasonTest.php
index eb9f7dd..f1d5651 100644
--- a/tests/Seasons/CreateEventsInSeasonTest.php
+++ b/tests/Seasons/CreateEventsInSeasonTest.php
@@ -7,7 +7,7 @@
 
 class CreateEventsInSeasonTest extends SeatsioClientTest
 {
-    public function eventKeys()
+    public function testEventKeys()
     {
         $chartKey = $this->createTestChart();
         $season = $this->seatsioClient->seasons->create($chartKey);
@@ -18,9 +18,11 @@ public function eventKeys()
             return $event->key;
         });
         self::assertEquals(['event1', 'event2'], $eventKeys);
+        self::assertEquals(true, $updatedSeason->events[0]->isEventInSeason);
+        self::assertEquals($season->key, $updatedSeason->events[0]->topLevelSeasonKey);
     }
 
-    public function numberOfEvents()
+    public function testNumberOfEvents()
     {
         $chartKey = $this->createTestChart();
         $season = $this->seatsioClient->seasons->create($chartKey);
diff --git a/tests/Seasons/CreatePartialSeasonTest.php b/tests/Seasons/CreatePartialSeasonTest.php
index e3e1f63..5a7d303 100644
--- a/tests/Seasons/CreatePartialSeasonTest.php
+++ b/tests/Seasons/CreatePartialSeasonTest.php
@@ -15,6 +15,8 @@ public function test()
         $partialSeason = $this->seatsioClient->seasons->createPartialSeason($season->key);
 
         self::assertNotNull($partialSeason->key);
+        self::assertEquals(true, $partialSeason->isPartialSeason);
+        self::assertEquals($season->key, $partialSeason->topLevelSeasonKey);
     }
 
     public function testPartialSeasonKeyCanBePassedIn()
diff --git a/tests/Seasons/CreateSeasonTest.php b/tests/Seasons/CreateSeasonTest.php
index 91481f4..13e7465 100644
--- a/tests/Seasons/CreateSeasonTest.php
+++ b/tests/Seasons/CreateSeasonTest.php
@@ -9,7 +9,6 @@
 
 class CreateSeasonTest extends SeatsioClientTest
 {
-
     public function testOnlyChartKeyIsRequired()
     {
         $chartKey = $this->createTestChart();
@@ -17,6 +16,8 @@ public function testOnlyChartKeyIsRequired()
         $season = $this->seatsioClient->seasons->create($chartKey);
 
         self::assertNotNull($season->key);
+        self::assertEquals(true, $season->isTopLevelSeason);
+        self::assertNull($season->topLevelSeasonKey);
         self::assertNotNull($season->id);
         self::assertEquals($chartKey, $season->chartKey);
         self::assertEquals(TableBookingConfig::inherit(), $season->tableBookingConfig);