diff --git a/src/Api/Meetings/MeetingParticipant.php b/src/Api/Meetings/MeetingParticipant.php
index ed834b2..8e739c0 100644
--- a/src/Api/Meetings/MeetingParticipant.php
+++ b/src/Api/Meetings/MeetingParticipant.php
@@ -29,6 +29,25 @@ public function list(
         }, $meeting_participants->items);
     }
 
+    public function queryWIthEmail(
+        string $meetingId,
+        ?array $additional_data = []
+    ) {
+        $additional_data = $this->data($additional_data, [
+            'meetingStartTimeFrom', 'meetingStartTimeTo', 'hostEmail', 'emails', 'joinTimeFrom', 'joinTimeTo',
+        ]);
+
+        $response = $this->post('meetingParticipants/query', array_merge([
+            'meetingId' => $meetingId,
+        ], $additional_data));
+
+        if (! $response->success) {
+            return new Error($response->data);
+        }
+
+        return new MeetingParticipantEntity($response->data);
+    }
+
     public function detail(
         string $meetingParticipantId,
         ?array $additional_data = []
@@ -45,4 +64,39 @@ public function detail(
 
         return new MeetingParticipantEntity($response->data);
     }
+
+    public function update(
+        string $participantId,
+        ?array $additional_data = []
+    ) {
+        $additional_data = $this->data($additional_data, [
+            'muted', 'admit', 'expel',
+        ]);
+
+        $response = $this->post('meetingParticipants/'.$participantId, $additional_data);
+
+        if (! $response->success) {
+            return new Error($response->data);
+        }
+
+        return new MeetingParticipantEntity($response->data);
+    }
+
+    public function admit(
+        ?array $additional_data = []
+    ) {
+        $additional_data = $this->data($additional_data, [
+            'items' => [
+                'participantId',
+            ],
+        ]);
+
+        $response = $this->post('meetingParticipants/admit', $additional_data);
+
+        if (! $response->success) {
+            return new Error($response->data);
+        }
+
+        return new MeetingParticipantEntity($response->data);
+    }
 }
diff --git a/tests/Fake/Meetings/MeetingParticipantsFakeResponse.php b/tests/Fake/Meetings/MeetingParticipantsFakeResponse.php
index d4984ad..c975fb3 100644
--- a/tests/Fake/Meetings/MeetingParticipantsFakeResponse.php
+++ b/tests/Fake/Meetings/MeetingParticipantsFakeResponse.php
@@ -17,7 +17,28 @@ public function getMeetingParticipantsFakeList()
     public function getMeetingParticipantsFakeDetail()
     {
         return json_encode(
-            $this->fakeMeetingParticipant(),
+            $this->fakeMeetingParticipant()
+        );
+    }
+
+    public function getMeetingParticipantsFakeQueryWithEmail()
+    {
+        return json_encode(
+            $this->fakeMeetingParticipant()
+        );
+    }
+
+    public function getUpdatedMeetingParticipantsFakeDetail()
+    {
+        return json_encode(
+            $this->fakeMeetingParticipant()
+        );
+    }
+
+    public function getAdmittedMeetingParticipantsFakeDetail()
+    {
+        return json_encode(
+            $this->fakeMeetingParticipant()
         );
     }
 
@@ -27,4 +48,25 @@ public function getErrorOnMeetingsFakeList()
             $this->fakeError()
         );
     }
+
+    public function getErrorOnFakeQueryWithEmail()
+    {
+        return json_encode(
+            $this->fakeError()
+        );
+    }
+
+    public function getErrorOnFakeUpdate()
+    {
+        return json_encode(
+            $this->fakeError()
+        );
+    }
+
+    public function getErrorOnFakeAdmit()
+    {
+        return json_encode(
+            $this->fakeError()
+        );
+    }
 }
diff --git a/tests/Fake/Meetings/MeetingsFakeResponse.php b/tests/Fake/Meetings/MeetingsFakeResponse.php
index 5431357..6367686 100644
--- a/tests/Fake/Meetings/MeetingsFakeResponse.php
+++ b/tests/Fake/Meetings/MeetingsFakeResponse.php
@@ -58,7 +58,7 @@ public function getDeleteMeetingFakeResponse()
     public function getErrorOnMeetingsFakeList()
     {
         return json_encode(
-             $this->fakeError()
-         );
+            $this->fakeError()
+        );
     }
 }
diff --git a/tests/Unit/Meetings/MeetingParticipantsTest.php b/tests/Unit/Meetings/MeetingParticipantsTest.php
index 4770353..1537623 100644
--- a/tests/Unit/Meetings/MeetingParticipantsTest.php
+++ b/tests/Unit/Meetings/MeetingParticipantsTest.php
@@ -94,4 +94,103 @@ public function test_meeting_participants_detail()
         $this->assertInstanceOf(MeetingParticipant::class, $meeting_participants_detail);
         $this->assertEquals('fake_id', $meeting_participants_detail->id);
     }
+
+    public function test_meeting_participants_query_with_email()
+    {
+        Http::fake([
+            'meetingParticipants/query' => Http::response(
+                (new MeetingParticipantsFakeResponse())->getMeetingParticipantsFakeQueryWithEmail()
+            ),
+        ]);
+
+        $laravel_webex = new LaravelWebex();
+        $meeting_participants_detail = $laravel_webex->meeting_participants()->queryWIthEmail('fake_id');
+
+        $this->assertInstanceOf(MeetingParticipant::class, $meeting_participants_detail);
+        $this->assertEquals('fake_id', $meeting_participants_detail->id);
+    }
+
+    public function test_meeting_participants_update()
+    {
+        Http::fake([
+            'meetingParticipants/fake_id' => Http::response(
+                (new MeetingParticipantsFakeResponse())->getUpdatedMeetingParticipantsFakeDetail()
+            ),
+        ]);
+
+        $laravel_webex = new LaravelWebex();
+        $meeting_participants_detail = $laravel_webex->meeting_participants()->update('fake_id');
+
+        $this->assertInstanceOf(MeetingParticipant::class, $meeting_participants_detail);
+        $this->assertEquals('fake_id', $meeting_participants_detail->id);
+    }
+
+    public function test_meeting_participants_admit()
+    {
+        Http::fake([
+            'meetingParticipants/admit' => Http::response(
+                (new MeetingParticipantsFakeResponse())->getAdmittedMeetingParticipantsFakeDetail()
+            ),
+        ]);
+
+        $laravel_webex = new LaravelWebex();
+        $meeting_participants_detail = $laravel_webex->meeting_participants()->admit();
+
+        $this->assertInstanceOf(MeetingParticipant::class, $meeting_participants_detail);
+        $this->assertEquals('fake_id', $meeting_participants_detail->id);
+    }
+
+    public function test_error_on_meeting_query()
+    {
+        Http::fake([
+            'meetingParticipants/query' => Http::response(
+                (new MeetingParticipantsFakeResponse())->getErrorOnFakeQueryWithEmail(),
+                401
+            ),
+        ]);
+
+        $laravel_webex = new LaravelWebex();
+        $error_meeting_participants_detail = $laravel_webex->meeting_participants()->queryWIthEmail('fake_id');
+
+        $this->assertInstanceOf(Error::class, $error_meeting_participants_detail);
+        $this->assertEquals('fake_message', $error_meeting_participants_detail->message);
+        $this->assertIsArray($error_meeting_participants_detail->errors);
+        $this->assertEquals('fake_trackingId', $error_meeting_participants_detail->trackingId);
+    }
+
+    public function test_error_on_update()
+    {
+        Http::fake([
+            'meetingParticipants/fake_id' => Http::response(
+                (new MeetingParticipantsFakeResponse())->getErrorOnFakeUpdate(),
+                401
+            ),
+        ]);
+
+        $laravel_webex = new LaravelWebex();
+        $error_meeting_participants_detail = $laravel_webex->meeting_participants()->update('fake_id');
+
+        $this->assertInstanceOf(Error::class, $error_meeting_participants_detail);
+        $this->assertEquals('fake_message', $error_meeting_participants_detail->message);
+        $this->assertIsArray($error_meeting_participants_detail->errors);
+        $this->assertEquals('fake_trackingId', $error_meeting_participants_detail->trackingId);
+    }
+
+    public function test_error_on_admit()
+    {
+        Http::fake([
+            'meetingParticipants/admit' => Http::response(
+                (new MeetingParticipantsFakeResponse())->getErrorOnFakeAdmit(),
+                401
+            ),
+        ]);
+
+        $laravel_webex = new LaravelWebex();
+        $error_meeting_participants_detail = $laravel_webex->meeting_participants()->admit();
+
+        $this->assertInstanceOf(Error::class, $error_meeting_participants_detail);
+        $this->assertEquals('fake_message', $error_meeting_participants_detail->message);
+        $this->assertIsArray($error_meeting_participants_detail->errors);
+        $this->assertEquals('fake_trackingId', $error_meeting_participants_detail->trackingId);
+    }
 }