diff --git a/src/Events/Channels.php b/src/Events/Channels.php
new file mode 100644
index 0000000..48f3027
--- /dev/null
+++ b/src/Events/Channels.php
@@ -0,0 +1,157 @@
+<?php
+
+namespace Seatsio\Events;
+
+use GuzzleHttp\Client;
+use GuzzleHttp\UriTemplate\UriTemplate;
+use stdClass;
+
+class Channels
+{
+    /**
+     * @var Client
+     */
+    private $client;
+
+    public function __construct(Client $client)
+    {
+        $this->client = $client;
+    }
+
+
+    /**
+     * Add a channel
+     *
+     * @param string $eventKey
+     * @param string $channelKey
+     * @param string $name
+     * @param string $color
+     * @param int|null $index
+     * @param array|null $objects
+     * @return void
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     */
+    public function add(string $eventKey, string $channelKey, string $name, string $color, int $index = null, array $objects = null)
+    {
+        $request = new stdClass();
+        $request->key = $channelKey;
+        $request->name = $name;
+        $request->color = $color;
+        if ($index !== null) {
+            $request->index = $index;
+        }
+        if ($objects !== null) {
+            $request->objects = $objects;
+        }
+        $this->client->post(UriTemplate::expand('/events/{key}/channels', array("key" => $eventKey)), ['json' => $request]);
+    }
+
+    /**
+     * remove a channel by channel key
+     *
+     * @param string $eventKey
+     * @param string $channelKey
+     * @return void
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     */
+    public function remove(string $eventKey, string $channelKey)
+    {
+        $this->client->delete(UriTemplate::expand('/events/{eventKey}/channels/{channelKey}', array("eventKey" => $eventKey, "channelKey" => $channelKey)));
+    }
+
+    /**
+     * update the name, color or objects of a channel
+     *
+     * @param string $eventKey
+     * @param string $channelKey
+     * @param string|null $name
+     * @param string|null $color
+     * @param array|null $objects
+     * @return void
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     */
+    public function update(string $eventKey, string $channelKey, string $name = null, string $color = null, array $objects = null)
+    {
+        $request = new stdClass();
+        if ($name !== null) {
+            $request->name = $name;
+        }
+        if ($color !== null) {
+            $request->color = $color;
+        }
+        if ($objects !== null) {
+            $request->objects = $objects;
+        }
+        $this->client->post(UriTemplate::expand('/events/{eventKey}/channels/{channelKey}', array("eventKey" => $eventKey, "channelKey" => $channelKey)),
+            ['json' => $request]);
+    }
+
+    /**
+     * add objects to a channel.
+     *
+     * @param string $eventKey
+     * @param string $channelKey
+     * @param array $objects
+     * @return void
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     */
+    public function addObjects(string $eventKey, string $channelKey, array $objects)
+    {
+        $request = new stdClass();
+        $request->objects = $objects;
+        $this->client->post(UriTemplate::expand('/events/{eventKey}/channels/{channelKey}/objects', array(
+                "eventKey" => $eventKey,
+                "channelKey" => $channelKey)
+        ), ['json' => $request]);
+    }
+
+    /**
+     * Remove objects from a channel
+     *
+     * @param string $eventKey
+     * @param string $channelKey
+     * @param array $objects
+     * @return void
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     */
+    public function removeObjects(string $eventKey, string $channelKey, array $objects)
+    {
+        $request = new stdClass();
+        $request->objects = $objects;
+        $this->client->delete(UriTemplate::expand('/events/{eventKey}/channels/{channelKey}/objects', array(
+                "eventKey" => $eventKey,
+                "channelKey" => $channelKey)
+        ), ['json' => $request]);
+    }
+
+    /**
+     * Replace one channel completely with a new channel
+     *
+     * @param string $eventKey
+     * @param array $channels
+     * @return void
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     */
+    public function replace(string $eventKey, array $channels): void
+    {
+        $request = new stdClass();
+        $request->channels = $channels;
+        $this->client->post(UriTemplate::expand('/events/{key}/channels/update', array("key" => $eventKey)), ['json' => $request]);
+    }
+
+    /**
+     * Replace the list of current object labels on a channel with a new list of object labels.
+     *
+     * @param string $eventKey
+     * @param array $channelConfig
+     * @return void
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     */
+    public function setObjects(string $eventKey, array $channelConfig): void
+    {
+        $request = new stdClass();
+        $request->channelConfig = $channelConfig;
+        $this->client->post(UriTemplate::expand('/events/{key}/channels/assign-objects', array("key" => $eventKey)), ['json' => $request]);
+    }
+
+}
diff --git a/src/Events/Events.php b/src/Events/Events.php
index 9ad7328..d8426cb 100644
--- a/src/Events/Events.php
+++ b/src/Events/Events.php
@@ -19,9 +19,15 @@ class Events
      */
     private $client;
 
+    /**
+     * @var Channels
+     */
+    public $channels;
+
     public function __construct(Client $client)
     {
         $this->client = $client;
+        $this->channels = new Channels($client);
     }
 
     public function create(string $chartKey, string $eventKey = null, TableBookingConfig $tableBookingConfig = null, string $socialDistancingRulesetKey = null, array $objectCategories = null): Event
@@ -178,20 +184,6 @@ public function statusChangesForObject(string $eventKey, string $objectId): Stat
         }));
     }
 
-    public function updateChannels(string $eventKey, array $channels): void
-    {
-        $request = new stdClass();
-        $request->channels = $channels;
-        $this->client->post(UriTemplate::expand('/events/{key}/channels/update', array("key" => $eventKey)), ['json' => $request]);
-    }
-
-    public function assignObjectsToChannels(string $eventKey, array $channelConfig): void
-    {
-        $request = new stdClass();
-        $request->channelConfig = $channelConfig;
-        $this->client->post(UriTemplate::expand('/events/{key}/channels/assign-objects', array("key" => $eventKey)), ['json' => $request]);
-    }
-
     public function markAsForSale(string $eventKey, array $objects = null, array $categories = null): void
     {
         $request = new stdClass();
diff --git a/tests/Events/BookObjectsTest.php b/tests/Events/BookObjectsTest.php
index eaa5514..4ad6e78 100644
--- a/tests/Events/BookObjectsTest.php
+++ b/tests/Events/BookObjectsTest.php
@@ -81,10 +81,10 @@ public function testChannelKeys()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, [
+        $this->seatsioClient->events->channels->setObjects($event->key, [
             "channelKey1" => ["A-1", "A-2"]
         ]);
 
@@ -98,10 +98,10 @@ public function testIgnoreChannels()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, [
+        $this->seatsioClient->events->channels->setObjects($event->key, [
             "channelKey1" => ["A-1", "A-2"]
         ]);
 
diff --git a/tests/Events/ChangeBestAvailableObjectStatusTest.php b/tests/Events/ChangeBestAvailableObjectStatusTest.php
index ef0fe42..b838e79 100644
--- a/tests/Events/ChangeBestAvailableObjectStatusTest.php
+++ b/tests/Events/ChangeBestAvailableObjectStatusTest.php
@@ -150,10 +150,10 @@ public function testChannelKeys()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, [
+        $this->seatsioClient->events->channels->setObjects($event->key, [
             "channelKey1" => ["B-6"]
         ]);
 
@@ -166,10 +166,10 @@ public function testIgnoreChannels()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, [
+        $this->seatsioClient->events->channels->setObjects($event->key, [
             "channelKey1" => ["B-5"]
         ]);
 
diff --git a/tests/Events/ChangeObjectStatusInBatchTest.php b/tests/Events/ChangeObjectStatusInBatchTest.php
index c0b5ff1..b4befc3 100644
--- a/tests/Events/ChangeObjectStatusInBatchTest.php
+++ b/tests/Events/ChangeObjectStatusInBatchTest.php
@@ -33,10 +33,10 @@ public function testChannelKeys()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, [
+        $this->seatsioClient->events->channels->setObjects($event->key, [
             "channelKey1" => ["A-1"]
         ]);
 
@@ -51,10 +51,10 @@ public function testIgnoreChannels()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, [
+        $this->seatsioClient->events->channels->setObjects($event->key, [
             "channelKey1" => ["A-1"]
         ]);
 
diff --git a/tests/Events/ChangeObjectStatusTest.php b/tests/Events/ChangeObjectStatusTest.php
index ed3a863..de40ce9 100644
--- a/tests/Events/ChangeObjectStatusTest.php
+++ b/tests/Events/ChangeObjectStatusTest.php
@@ -127,10 +127,10 @@ public function testChannelKeys()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, [
+        $this->seatsioClient->events->channels->setObjects($event->key, [
             "channelKey1" => ["A-1", "A-2"]
         ]);
 
@@ -144,10 +144,10 @@ public function testIgnoreChannels()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, [
+        $this->seatsioClient->events->channels->setObjects($event->key, [
             "channelKey1" => ["A-1", "A-2"]
         ]);
 
diff --git a/tests/Events/Channels/AddChannelTest.php b/tests/Events/Channels/AddChannelTest.php
new file mode 100644
index 0000000..ae8ed5e
--- /dev/null
+++ b/tests/Events/Channels/AddChannelTest.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace Seatsio\Events\Channels;
+
+use Seatsio\Events\Channel;
+use Seatsio\SeatsioClientTest;
+
+class AddChannelTest extends SeatsioClientTest
+{
+
+    public function testAddChannel()
+    {
+        $chartKey = $this->createTestChart();
+        $event = $this->seatsioClient->events->create($chartKey);
+
+        $this->seatsioClient->events->channels->add($event->key, "channelKey1", "channel 1", "#FFFF98", 1, ["A-1", "A-2"]);
+        $this->seatsioClient->events->channels->add($event->key, "channelKey2", "channel 2", "#FFFF99", 2, ["A-3"]);
+
+        $retrievedEvent = $this->seatsioClient->events->retrieve($event->key);
+
+        self::assertEquals([
+            new Channel("channel 1", "#FFFF98", 1, "channelKey1", ["A-1", "A-2"]),
+            new Channel("channel 2", "#FFFF99", 2, "channelKey2", ["A-3"])
+        ], $retrievedEvent->channels);
+    }
+
+    public function testIndexIsOptional()
+    {
+        $chartKey = $this->createTestChart();
+        $event = $this->seatsioClient->events->create($chartKey);
+
+        $this->seatsioClient->events->channels->add($event->key, "channelKey1", "channel 1", "#FFFF98", null, ["A-1", "A-2"]);
+
+        $retrievedEvent = $this->seatsioClient->events->retrieve($event->key);
+
+        self::assertEquals([
+            new Channel("channel 1", "#FFFF98", 0, "channelKey1", ["A-1", "A-2"]),
+        ], $retrievedEvent->channels);
+    }
+
+    public function testObjectsAreOptional()
+    {
+        $chartKey = $this->createTestChart();
+        $event = $this->seatsioClient->events->create($chartKey);
+
+        $this->seatsioClient->events->channels->add($event->key, "channelKey1", "channel 1", "#FFFF98", 1, null);
+
+        $retrievedEvent = $this->seatsioClient->events->retrieve($event->key);
+
+        self::assertEquals([
+            new Channel("channel 1", "#FFFF98", 1, "channelKey1", []),
+        ], $retrievedEvent->channels);
+    }
+
+}
diff --git a/tests/Events/Channels/AddObjectsToChannelTest.php b/tests/Events/Channels/AddObjectsToChannelTest.php
new file mode 100644
index 0000000..4f6a3d3
--- /dev/null
+++ b/tests/Events/Channels/AddObjectsToChannelTest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Seatsio\Events\Channels;
+
+use Seatsio\Events\Channel;
+use Seatsio\SeatsioClientTest;
+
+class AddObjectsToChannelTest extends SeatsioClientTest
+{
+
+    public function test()
+    {
+        $chartKey = $this->createTestChart();
+        $event = $this->seatsioClient->events->create($chartKey);
+
+        $this->seatsioClient->events->channels->add($event->key, "channelKey1", "channel 1", "#FFFF98", 1, ["A-1", "A-2"]);
+        $this->seatsioClient->events->channels->add($event->key, "channelKey2", "channel 2", "#FFFF99", 2, ["A-3", "A-4"]);
+
+        $this->seatsioClient->events->channels->addObjects($event->key, "channelKey1", ["A-3", "A-4"]);
+
+        $retrievedEvent = $this->seatsioClient->events->retrieve($event->key);
+
+        self::assertEquals([
+            new Channel("channel 1", "#FFFF98", 1, "channelKey1", ["A-1", "A-2", "A-3", "A-4"]),
+            new Channel("channel 2", "#FFFF99", 2, "channelKey2", [])
+        ], $retrievedEvent->channels);
+    }
+
+}
diff --git a/tests/Events/Channels/RemoveChannelTest.php b/tests/Events/Channels/RemoveChannelTest.php
new file mode 100644
index 0000000..1e91f06
--- /dev/null
+++ b/tests/Events/Channels/RemoveChannelTest.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Seatsio\Events\Channels;
+
+use Seatsio\Events\Channel;
+use Seatsio\SeatsioClientTest;
+
+class RemoveChannelTest extends SeatsioClientTest
+{
+
+    public function test()
+    {
+
+        $chartKey = $this->createTestChart();
+        $event = $this->seatsioClient->events->create($chartKey);
+
+        $this->seatsioClient->events->channels->replace($event->key, [
+            "channelKey1" => new Channel("channel 1", "#FF0000", 1),
+            "channelKey2" => new Channel("channel 2", "#00FFFF", 2)
+        ]);
+
+        $this->seatsioClient->events->channels->remove($event->key, "channelKey2");
+
+        $retrievedEvent = $this->seatsioClient->events->retrieve($event->key);
+
+        self::assertEquals([
+            new Channel("channel 1", "#FF0000", 1, "channelKey1", []),
+        ], $retrievedEvent->channels);
+    }
+
+}
diff --git a/tests/Events/Channels/RemoveObjectsFromChannelTest.php b/tests/Events/Channels/RemoveObjectsFromChannelTest.php
new file mode 100644
index 0000000..70d9c0e
--- /dev/null
+++ b/tests/Events/Channels/RemoveObjectsFromChannelTest.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Seatsio\Events\Channels;
+
+use Seatsio\Events\Channel;
+use Seatsio\SeatsioClientTest;
+
+class RemoveObjectsFromChannelTest extends SeatsioClientTest
+{
+
+    public function test()
+    {
+        $chartKey = $this->createTestChart();
+        $event = $this->seatsioClient->events->create($chartKey);
+        $this->seatsioClient->events->channels->add($event->key, "channelKey1", "channel 1", "#FFFF98", 1, ["A-1", "A-2", "A-3", "A-4"]);
+
+        $this->seatsioClient->events->channels->removeObjects($event->key, "channelKey1", ["A-3", "A-4"]);
+
+        $retrievedEvent = $this->seatsioClient->events->retrieve($event->key);
+
+        self::assertEquals([
+            new Channel("channel 1", "#FFFF98", 1, "channelKey1", ["A-1", "A-2"]),
+        ], $retrievedEvent->channels);
+    }
+
+}
diff --git a/tests/Events/UpdateChannelsTest.php b/tests/Events/Channels/ReplaceChannelsTest.php
similarity index 76%
rename from tests/Events/UpdateChannelsTest.php
rename to tests/Events/Channels/ReplaceChannelsTest.php
index b126253..cb475b0 100644
--- a/tests/Events/UpdateChannelsTest.php
+++ b/tests/Events/Channels/ReplaceChannelsTest.php
@@ -1,10 +1,11 @@
 <?php
 
-namespace Seatsio\Events;
+namespace Seatsio\Events\Channels;
 
+use Seatsio\Events\Channel;
 use Seatsio\SeatsioClientTest;
 
-class UpdateChannelsTest extends SeatsioClientTest
+class ReplaceChannelsTest extends SeatsioClientTest
 {
 
     public function test()
@@ -12,7 +13,7 @@ public function test()
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
 
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1),
             "channelKey2" => new Channel("channel 2", "#00FFFF", 2)
         ]);
@@ -20,10 +21,9 @@ public function test()
         $retrievedEvent = $this->seatsioClient->events->retrieve($event->key);
 
         self::assertEquals([
-            new Channel("channel 1", "#FF0000", 1, "channelKey1", []),
-            new Channel("channel 2", "#00FFFF", 2, "channelKey2", [])
+            new Channel("channel 1", "#FF0000", 1, "channelKey1"),
+            new Channel("channel 2", "#00FFFF", 2, "channelKey2")
         ], $retrievedEvent->channels);
-
     }
 
 }
diff --git a/tests/Events/AssignObjectsToChannelsTest.php b/tests/Events/Channels/SetObjectsForChannelsTest.php
similarity index 77%
rename from tests/Events/AssignObjectsToChannelsTest.php
rename to tests/Events/Channels/SetObjectsForChannelsTest.php
index da00ecb..9476563 100644
--- a/tests/Events/AssignObjectsToChannelsTest.php
+++ b/tests/Events/Channels/SetObjectsForChannelsTest.php
@@ -4,19 +4,19 @@
 
 use Seatsio\SeatsioClientTest;
 
-class AssignObjectsToChannelsTest extends SeatsioClientTest
+class SetObjectsForChannelsTest extends SeatsioClientTest
 {
 
     public function test()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1),
             "channelKey2" => new Channel("channel 2", "#00FFFF", 2)
         ]);
 
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, [
+        $this->seatsioClient->events->channels->setObjects($event->key, [
             "channelKey1" => ["A-1", "A-2"],
             "channelKey2" => ["A-3"]
         ]);
@@ -24,7 +24,7 @@ public function test()
         $retrievedEvent = $this->seatsioClient->events->retrieve($event->key);
 
         self::assertEquals([
-            new Channel("channel 1", "#FF0000", 1, "channelKey1", ["A-1","A-2"]),
+            new Channel("channel 1", "#FF0000", 1, "channelKey1", ["A-1", "A-2"]),
             new Channel("channel 2", "#00FFFF", 2, "channelKey2", ["A-3"])
         ], $retrievedEvent->channels);
     }
diff --git a/tests/Events/Channels/UpdateChannelTest.php b/tests/Events/Channels/UpdateChannelTest.php
new file mode 100644
index 0000000..084da3c
--- /dev/null
+++ b/tests/Events/Channels/UpdateChannelTest.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace Seatsio\Events\Channels;
+
+use Seatsio\Events\Channel;
+use Seatsio\SeatsioClientTest;
+
+class UpdateChannelTest extends SeatsioClientTest
+{
+
+    public function testUpdateName()
+    {
+        $chartKey = $this->createTestChart();
+        $event = $this->seatsioClient->events->create($chartKey);
+        $this->seatsioClient->events->channels->add($event->key, "channelKey1", "channel 1", "#FFFF98", 1, ["A-1", "A-2"]);
+
+        $this->seatsioClient->events->channels->update($event->key, "channelKey1", "channel 2");
+
+        $retrievedEvent = $this->seatsioClient->events->retrieve($event->key);
+        self::assertEquals([
+            new Channel("channel 2", "#FFFF98", 1, "channelKey1", ["A-1", "A-2"]),
+        ], $retrievedEvent->channels);
+    }
+
+    public function testUpdateColor()
+    {
+        $chartKey = $this->createTestChart();
+        $event = $this->seatsioClient->events->create($chartKey);
+        $this->seatsioClient->events->channels->add($event->key, "channelKey1", "channel 1", "#FFFF98", 1, ["A-1", "A-2"]);
+
+        $this->seatsioClient->events->channels->update($event->key, "channelKey1", null, "#FFAABB");
+
+        $retrievedEvent = $this->seatsioClient->events->retrieve($event->key);
+        self::assertEquals([
+            new Channel("channel 1", "#FFAABB", 1, "channelKey1", ["A-1", "A-2"]),
+        ], $retrievedEvent->channels);
+    }
+
+    public function testUpdateObjects()
+    {
+        $chartKey = $this->createTestChart();
+        $event = $this->seatsioClient->events->create($chartKey);
+        $this->seatsioClient->events->channels->add($event->key, "channelKey1", "channel 1", "#FFFF98", 1, ["A-1", "A-2"]);
+
+        $this->seatsioClient->events->channels->update($event->key, "channelKey1", null, null, ["A-3"]);
+
+        $retrievedEvent = $this->seatsioClient->events->retrieve($event->key);
+        self::assertEquals([
+            new Channel("channel 1", "#FFFF98", 1, "channelKey1", ["A-3"]),
+        ], $retrievedEvent->channels);
+    }
+
+}
diff --git a/tests/Events/HoldObjectsTest.php b/tests/Events/HoldObjectsTest.php
index f5c31ce..04925f9 100644
--- a/tests/Events/HoldObjectsTest.php
+++ b/tests/Events/HoldObjectsTest.php
@@ -58,10 +58,10 @@ public function testChannelKeys()
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
         $holdToken = $this->seatsioClient->holdTokens->create();
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, [
+        $this->seatsioClient->events->channels->setObjects($event->key, [
             "channelKey1" => ["A-1", "A-2"]
         ]);
 
@@ -76,10 +76,10 @@ public function testIgnoreChannels()
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
         $holdToken = $this->seatsioClient->holdTokens->create();
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, [
+        $this->seatsioClient->events->channels->setObjects($event->key, [
             "channelKey1" => ["A-1", "A-2"]
         ]);
 
diff --git a/tests/Events/ReleaseObjectsTest.php b/tests/Events/ReleaseObjectsTest.php
index 31c42e2..d3335aa 100644
--- a/tests/Events/ReleaseObjectsTest.php
+++ b/tests/Events/ReleaseObjectsTest.php
@@ -64,10 +64,10 @@ public function testChannelKeys()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, [
+        $this->seatsioClient->events->channels->setObjects($event->key, [
             "channelKey1" => ["A-1", "A-2"]
         ]);
         $this->seatsioClient->events->book($event->key, "A-1", null, null, null, null, ["channelKey1"]);
@@ -82,10 +82,10 @@ public function testIgnoreChannels()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channelKey1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, [
+        $this->seatsioClient->events->channels->setObjects($event->key, [
             "channelKey1" => ["A-1", "A-2"]
         ]);
         $this->seatsioClient->events->book($event->key, "A-1", null, null, null, null, ["channelKey1"]);
diff --git a/tests/Reports/EventReportsSummaryTest.php b/tests/Reports/EventReportsSummaryTest.php
index 5434c85..7f7a8ee 100644
--- a/tests/Reports/EventReportsSummaryTest.php
+++ b/tests/Reports/EventReportsSummaryTest.php
@@ -337,10 +337,10 @@ public function testSummaryByChannel()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channel1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, ["channel1" => ["A-1", "A-2"]]);
+        $this->seatsioClient->events->channels->setObjects($event->key, ["channel1" => ["A-1", "A-2"]]);
 
         $report = $this->seatsioClient->eventReports->summaryByChannel($event->key);
 
diff --git a/tests/Reports/EventReportsTest.php b/tests/Reports/EventReportsTest.php
index 1eed5d0..60fd758 100644
--- a/tests/Reports/EventReportsTest.php
+++ b/tests/Reports/EventReportsTest.php
@@ -17,10 +17,10 @@ public function testReportItemProperties()
         $event = $this->seatsioClient->events->create($chartKey);
         $extraData = ["foo" => "bar"];
         $this->seatsioClient->events->book($event->key, (new ObjectProperties("A-1"))->setTicketType("ticketType1")->setExtraData($extraData), null, "order1");
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channel1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, ["channel1" => ["A-1"]]);
+        $this->seatsioClient->events->channels->setObjects($event->key, ["channel1" => ["A-1"]]);
 
         $report = $this->seatsioClient->eventReports->byLabel($event->key);
 
@@ -299,10 +299,10 @@ public function testByChannel()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channel1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, ["channel1" => ["A-1", "A-2"]]);
+        $this->seatsioClient->events->channels->setObjects($event->key, ["channel1" => ["A-1", "A-2"]]);
 
         $report = $this->seatsioClient->eventReports->byChannel($event->key);
 
@@ -314,10 +314,10 @@ public function testBySpecificChannel()
     {
         $chartKey = $this->createTestChart();
         $event = $this->seatsioClient->events->create($chartKey);
-        $this->seatsioClient->events->updateChannels($event->key, [
+        $this->seatsioClient->events->channels->replace($event->key, [
             "channel1" => new Channel("channel 1", "#FF0000", 1)
         ]);
-        $this->seatsioClient->events->assignObjectsToChannels($event->key, ["channel1" => ["A-1", "A-2"]]);
+        $this->seatsioClient->events->channels->setObjects($event->key, ["channel1" => ["A-1", "A-2"]]);
 
         $report = $this->seatsioClient->eventReports->byChannel($event->key, 'channel1');