diff --git a/.gitignore b/.gitignore
index fa36fe5..5d0d27a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,7 @@
 vendor
 composer.lock
 .idea
+*.iml
+phpunit.xml
+*.cache
+*.bak
\ No newline at end of file
diff --git a/README.md b/README.md
index 8138932..9fb38a4 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,16 @@
 
-# Stackify Monolog v2 Handler
+# Stackify Monolog v3 Handler
 
 Monolog handler for sending log messages and exceptions to Stackify.
-Monolog >= 2.0.0 is supported.
+Monolog >= 3.0.0 is supported.
 
-> For Monolog v1, use the [1.x branch](https://github.com/stackify/stackify-log-monolog/tree/1.x)
+For Monolog V1
+
+> Use the [1.x branch](https://github.com/stackify/stackify-log-monolog/tree/1.x)
+
+For Monolog V2
+
+> Use the [2.x branch](https://github.com/stackify/stackify-log-monolog/tree/2.x)
 
 * **Errors and Logs Overview:** http://support.stackify.com/errors-and-logs-overview/
 * **Sign Up for a Trial:** http://www.stackify.com/sign-up/
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index a94a6af..4be7f02 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -18,7 +18,7 @@ pool:
   vmImage: ubuntu-latest
 
 variables:
-  phpVersion: 7.2
+  phpVersion: 8.1
 
 steps:
 - script: |
diff --git a/composer.json b/composer.json
index 5e314f2..e19f00c 100644
--- a/composer.json
+++ b/composer.json
@@ -6,13 +6,22 @@
     "type": "library",
     "license": "Apache-2.0",
     "require": {
-        "php": ">=7.0",
-        "stackify/logger": "~1.4",
-        "monolog/monolog": "~2.0"
+        "php": ">=8.1",
+        "stackify/logger": "~1.6",
+        "monolog/monolog": "~3.0"
+    },
+    "require-dev": {
+        "phpstan/phpstan": "^1.9",
+        "phpstan/phpstan-deprecation-rules": "^1.0",
+        "phpstan/phpstan-strict-rules": "^1.4",
+        "phpunit/phpunit": "^10.1"
     },
     "autoload": {
         "psr-4": {
             "Stackify\\Log\\Monolog\\": "src/Stackify/Log/Monolog"
+        },
+        "autoload-dev": {
+            "psr-4": {"Stackify\\Log\\Monolog\\Tests": "tests/"}
         }
     },
     "minimum-stability": "dev",
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
new file mode 100644
index 0000000..64292b9
--- /dev/null
+++ b/phpunit.xml.dist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" backupGlobals="false" beStrictAboutTestsThatDoNotTestAnything="false" bootstrap="tests/bootstrap.php" colors="true" processIsolation="false" stopOnError="false" stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd" cacheDirectory=".phpunit.cache" backupStaticProperties="false">
+  <testsuites>
+    <testsuite name="Stackify PHP Monolog Handler Test Suite">
+      <directory suffix="Test.php">./tests</directory>
+    </testsuite>
+  </testsuites>
+</phpunit>
diff --git a/src/Stackify/Log/Monolog/Handler.php b/src/Stackify/Log/Monolog/Handler.php
index cdc1fcc..5cd779d 100644
--- a/src/Stackify/Log/Monolog/Handler.php
+++ b/src/Stackify/Log/Monolog/Handler.php
@@ -8,6 +8,8 @@
 
 use Monolog\Logger;
 use Monolog\Handler\AbstractProcessingHandler;
+use Monolog\Level;
+use Monolog\LogRecord;
 
 class Handler extends AbstractProcessingHandler
 {
@@ -16,7 +18,12 @@ class Handler extends AbstractProcessingHandler
      *
      * @var \Stackify\Log\Transport\TransportInterface
      */
-    private $_transport;
+    private TransportInterface $_transport;
+
+    /**
+     * Include channel inside message as hashtag
+     */
+    private bool $includeChannel;
 
     /**
      * Stackify monolog handler
@@ -29,14 +36,15 @@ class Handler extends AbstractProcessingHandler
      * @param boolean            $bubble
      */
     public function __construct(
-        $appName,
-        $environmentName = null,
+        string $appName,
+        string $environmentName = null,
         TransportInterface $transport = null,
-        $logServerVariables = false,
-        $config = null,
-        $level = Logger::DEBUG,
-        $bubble = true
+        bool $logServerVariables = false,
+        array $config = null,
+        int|string|Level $level = Level::Debug,
+        bool $bubble = true
     ) {
+        
         parent::__construct($level, $bubble);
 
         if ($config) {
@@ -45,7 +53,7 @@ public function __construct(
             AgentConfig::getInstance()->extract($config);
         }
 
-        $messageBuilder = new MessageBuilder('Stackify Monolog v.2.0', $appName, $environmentName, $logServerVariables);
+        $messageBuilder = new MessageBuilder('Stackify Monolog v.3.0', $appName, $environmentName, $logServerVariables);
 
         if (null === $transport) {
             $transport = new AgentSocketTransport();
@@ -53,18 +61,23 @@ public function __construct(
 
         $transport->setMessageBuilder($messageBuilder);
         $this->_transport = $transport;
+        $this->includeChannel = false;
+
+        if ($config && $config['includeChannel']) {
+            $this->includeChannel = true;
+        }
     }
 
     /**
      * {@inheritdoc}
      *
-     * @param array $record
+     * @param LogRecord $record
      *
      * @return void
      */
-    public function write(array $record): void
+    public function write(LogRecord $record): void
     {
-        $this->_transport->addEntry(new LogEntry($record));
+        $this->_transport->addEntry(new LogEntry($record, $this->includeChannel));
     }
 
     /**
@@ -72,7 +85,7 @@ public function write(array $record): void
      *
      * @return void
      */
-    public function flush()
+    public function flush(): void
     {
         $this->_transport->finish();
     }
@@ -93,7 +106,7 @@ public function close(): void
      *
      * @return void
      */
-    public function reset()
+    public function reset(): void
     {
         $this->flush();
         parent::reset();
diff --git a/src/Stackify/Log/Monolog/LogEntry.php b/src/Stackify/Log/Monolog/LogEntry.php
index 6041349..4b5fef9 100644
--- a/src/Stackify/Log/Monolog/LogEntry.php
+++ b/src/Stackify/Log/Monolog/LogEntry.php
@@ -6,6 +6,7 @@
 use Stackify\Log\Entities\NativeError;
 
 use Monolog\Logger as MonologLogger;
+use Monolog\LogRecord as MonologLogRecord;
 
 final class LogEntry implements LogEntryInterface
 {
@@ -14,10 +15,13 @@ final class LogEntry implements LogEntryInterface
     private $exception;
     private $context;
     private $nativeError;
+    private $includeChannel;
+    private $channel;
 
-    public function __construct(array $record)
+    public function __construct(MonologLogRecord $record, bool $includeChannel = false)
     {
         $this->record = $record;
+
         $context = $record['context'];
         // find exception and remove from context
         foreach ($context as $key => $value) {
@@ -44,6 +48,12 @@ public function __construct(array $record)
         if (!empty($context)) {
             $this->context = $context;
         }
+
+        $this->includeChannel = $includeChannel;
+        $this->channel = null;
+        if ($record && $record['channel']) {
+            $this->channel = $record['channel'];
+        }
     }
 
     public function getContext()
@@ -63,6 +73,10 @@ public function getLevel()
 
     public function getMessage()
     {
+        if ($this->includeChannel && $this->channel) {
+            return $this->record['message']." #{$this->channel}";
+        }
+
         return $this->record['message'];
     }
 
diff --git a/tests/HandlerTest.php b/tests/HandlerTest.php
new file mode 100644
index 0000000..377446e
--- /dev/null
+++ b/tests/HandlerTest.php
@@ -0,0 +1,139 @@
+<?php
+
+namespace Stackify\Log\Monolog\Tests;
+
+use Monolog\Level;
+use Monolog\Test\TestCase;
+use Psr\Log\LogLevel;
+use Stackify\Log\Builder\BuilderInterface;
+use Stackify\Log\Entities\LogEntryInterface;
+use Stackify\Log\Monolog\Handler;
+use Stackify\Log\Transport\TransportInterface;
+
+class HandlerTest extends TestCase {
+    
+    protected $appName = 'Test App';
+    protected $environmentName = 'Test Environment';
+
+    public static function logLevelProvider()
+    {
+        return array_map(
+            fn (Level $level) => [$level],
+            Level::cases()
+        );
+    }
+
+    /**
+     * @dataProvider logLevelProvider
+     */
+    public function testHandlesAllLevels(Level $level)
+    {
+        $message = 'Hello, world! ' . $level->value;
+        $context = ['foo' => 'bar', 'level' => $level->value];
+
+        $transport = $this->createDummyTransport();
+
+        $handler = $this->createDummyHandler($transport, $level);
+        $record = $this->getRecord($level, $message, context: $context);
+        $handler->handle($record);
+
+        $logEntries = $transport->getEntries();
+
+        $firstLogEntry = $logEntries[0];
+
+        $this->assertEquals(1, count($logEntries));
+        $this->assertEquals($firstLogEntry->getLevel(), strtoupper($record->level->name));
+        $this->assertEquals($firstLogEntry->getMessage(), $record->message);
+
+        // Reset every call
+        $transport->reset();
+    }
+
+    public function testLogRecordChannel()
+    {
+        $level = Level::Info;
+        $message = 'Hello, world! ' . $level->value;
+        $context = ['foo' => 'bar', 'level' => $level->value];
+
+        $transport = $this->createDummyTransport();
+
+        $includeChannel = true;
+        $channel = "test";
+        $handler = $this->createDummyHandler($transport, $level, $includeChannel);
+        $record = $this->getRecord($level, $message, context: $context, channel: $channel);
+        $handler->handle($record);
+
+        $logEntries = $transport->getEntries();
+
+        $firstLogEntry = $logEntries[0];
+        $this->assertEquals(1, count($logEntries));
+        $this->assertEquals($firstLogEntry->getLevel(), strtoupper($record->level->name));
+        $this->assertEquals($firstLogEntry->getMessage(), $record->message . " #{$channel}");
+
+        // Reset every call
+        $transport->reset();
+    }
+
+    private function createDummyHandler($transport, Level $level = null, $includeChannel = false) {
+        return $this->createHandler($this->appName, $this->environmentName, $transport, $level, $includeChannel);
+    }
+
+    private function createHandler($appName, $environmentName, $transport, Level $level = null, bool $includeChannel = false): Handler
+    {
+        $config = [];
+        if ($includeChannel) {
+            $config['includeChannel'] = true;
+        }
+
+        if (null === $level) {
+            $handler = new Handler($appName, $environmentName, $transport, false, $config, $level);
+        } else {
+            $handler = new Handler($appName, $environmentName, $transport, false, $config);
+        }
+
+        return $handler;
+    }
+
+    private function createDummyTransport()
+    {
+        return new SpyTransport();
+    }
+}
+
+
+class SpyTransport implements TransportInterface {
+    protected BuilderInterface $messageBuilder;
+    protected array $logEntries;
+    protected bool $hasFinished;
+
+    public function __construct() {
+        $this->logEntries = [];
+        $this->hasFinished = false;
+    }
+
+    public function setMessageBuilder(BuilderInterface $messageBuilder) {
+        $this->messageBuilder = $messageBuilder;
+    }
+
+    public function addEntry(LogEntryInterface $logEntry): int {
+        $this->logEntries[] = $logEntry;
+        return count($this->logEntries) - 1;
+    }
+
+    public function finish() {
+        $this->hasFinished = true;
+    }
+
+    public function hasFinish() {
+        return $this->hasFinished;
+    }
+
+    public function getEntries() {
+        return $this->logEntries;
+    }
+
+    public function reset() {
+        $this->logEntries = [];
+        $this->hasFinished = false;
+    }
+}
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
new file mode 100644
index 0000000..f091c14
--- /dev/null
+++ b/tests/bootstrap.php
@@ -0,0 +1,3 @@
+<?php
+
+require __DIR__.'/../vendor/autoload.php';
\ No newline at end of file