diff --git a/app/Model/EventBlocklist.php b/app/Model/EventBlocklist.php
index cd9c0d21f..dce41343c 100644
--- a/app/Model/EventBlocklist.php
+++ b/app/Model/EventBlocklist.php
@@ -79,4 +79,14 @@ class EventBlocklist extends AppModel
     {
         return $this->hasAny(['event_uuid' => $eventUuid]);
     }
+
+    /**
+     * @param string $eventUuid
+     * @return bool
+     */
+    public function addEntry($entry=[])
+    {
+        $this->create();
+        return $this->save($entry);
+    }
 }
diff --git a/app/Model/WorkflowModules/action/Module_add_eventblocklist_entry.php b/app/Model/WorkflowModules/action/Module_add_eventblocklist_entry.php
new file mode 100644
index 000000000..19fd36c35
--- /dev/null
+++ b/app/Model/WorkflowModules/action/Module_add_eventblocklist_entry.php
@@ -0,0 +1,81 @@
+<?php
+include_once APP . 'Model/WorkflowModules/WorkflowBaseModule.php';
+
+class Module_add_eventblocklist_entry extends WorkflowBaseActionModule
+{
+    public $version = '0.1';
+    public $blocking = false;
+    public $id = 'add_eventblocklist_entry';
+    public $name = 'Add Event Blocklist entry';
+    public $description = 'Create a new entry in the Event blocklist table';
+    public $icon = 'ban';
+    public $inputs = 1;
+    public $outputs = 1;
+    public $support_filters = false;
+    public $expect_misp_core_format = true;
+    public $params = [];
+
+    private $EventBlocklist;
+    private $Organisation;
+
+
+    public function __construct()
+    {
+        parent::__construct();
+        $this->params = [
+            [
+                'id' => 'uuid_hash_path',
+                'label' => 'Event UUID Hash path',
+                'type' => 'hashpath',
+                'placeholder' => 'Event.uuid',
+                'default' => 'Event.uuid',
+                'hashpath' => [
+                    'is_sub_selector' => true
+                ]
+            ],
+            [
+                'id' => 'eventinfo_hash_path',
+                'label' => 'Event Info Hash path',
+                'type' => 'hashpath',
+                'placeholder' => 'Event.info',
+                'default' => 'Event.info',
+                'hashpath' => [
+                    'is_sub_selector' => true
+                ]
+            ],
+            [
+                'id' => 'block_comment',
+                'label' => 'Blocklist Comment',
+                'type' => 'input',
+                'placeholder' => 'Blocked from workflow',
+                'default' => 'Blocked from workflow',
+            ],
+        ];
+
+        $this->EventBlocklist = ClassRegistry::init('EventBlocklist');
+        $this->Organisation = ClassRegistry::init('Organisation');
+    }
+
+    public function exec(array $node, WorkflowRoamingData $roamingData, array &$errors = []): bool
+    {
+        $params = $this->getParamsWithValues($node);
+
+        $rData = $roamingData->getData();
+
+        $eventUUIDExtractionPath = $params['uuid_hash_path']['value'];
+        $eventUUID = Hash::get($rData, $eventUUIDExtractionPath);
+        $eventInfoExtractionPath = $params['eventinfo_hash_path']['value'];
+        $eventInfo = Hash::get($rData, $eventInfoExtractionPath);
+        $comment = $params['block_comment']['value'];
+
+        $org = $this->Organisation->find('first', ['conditions' => array('Organisation.id' => $rData['Event']['orgc_id']), 'recursive' => -1, 'fields' => ['Organisation.name']]);
+        $entry = [
+            'event_uuid' => $eventUUID,
+            'event_info' => $eventInfo,
+            'event_orgc' => !empty($org['Organisation']['name']) ? $org['Organisation']['name'] : 'unkwown',
+            'comment' => $comment,
+        ];
+        $r = $this->EventBlocklist->addEntry($entry);
+        return true;
+    }
+}