1

composer.json

@@ -16,7 +16,7 @@
     "test": "./vendor/bin/phpunit tests/  --verbose --coverage-clover=coverage.clover"
   },
   "require": {
-    "php": "^7.4|>=8.0",
+    "php": ">=8.0",
     "rmccue/requests": "^2.0",
     "psr/log": "^1.1|^2.0|^3.0"
   },

src/PubNub/Endpoints/PubSub/Publish.php

@@ -27,6 +27,9 @@ final class Publish extends Endpoint
     /** @var bool $usePost HTTP method instead of default GET  */
     protected $usePost;
 
+    /** @var string $customMessageType User defined message type */
+    protected ?string $customMessageType;
+
     /** @var  array $meta data */
     protected $meta;
 
@@ -93,6 +96,17 @@ public function usePost($usePost)
         return $this;
     }
 
+    /**
+     * @param string $customMessageType
+     * @return $this
+     */
+    public function customMessageType(?string $customMessageType)
+    {
+        $this->customMessageType = $customMessageType;
+
+        return $this;
+    }
+
     /**
      * @param array $meta
      * @return $this
@@ -166,6 +180,10 @@ protected function customParams()
             $params['ttl'] = (string) $this->ttl;
         }
 
+        if (isset($this->customMessageType)) {
+            $params['custom_message_type'] = $this->customMessageType;
+        }
+
         $params['seqn'] = $this->pubnub->getSequenceId();
 
         if (!$this->replicate) {