diff --git a/post/user/task.php b/post/user/task.php
index 9add77fb..373d99f2 100644
--- a/post/user/task.php
+++ b/post/user/task.php
@@ -160,3 +160,55 @@ if (isset($_GET['undo_complete_task'])) {
     header("Location: " . $_SERVER["HTTP_REFERER"]);
 
 }
+
+if (isset($_GET['complete_all_tasks'])) {
+
+    enforceUserPermission('module_support', 2);
+
+    $ticket_id = intval($_GET['complete_all_tasks']);
+
+    // Get Client ID
+    $sql = mysqli_query($mysqli, "SELECT * FROM tickets WHERE ticket_id = $ticket_id");
+    $row = mysqli_fetch_array($sql);
+    $client_id = intval($row['ticket_client_id']);
+
+    mysqli_query($mysqli, "UPDATE tasks SET task_completed_at = NOW(), task_completed_by = $session_user_id WHERE task_ticket_id = $ticket_id AND task_completed_at IS NULL");
+
+    // Add reply
+    mysqli_query($mysqli, "INSERT INTO ticket_replies SET ticket_reply = 'Marked all tasks complete', ticket_reply_type = 'Internal', ticket_reply_by = $session_user_id, ticket_reply_ticket_id = $ticket_id");
+
+    $ticket_reply_id = mysqli_insert_id($mysqli);
+
+    // Logging
+    logAction("Ticket", "Edit", "$session_name marked all tasks complete for ticket", $client_id, $ticket_id);
+
+    $_SESSION['alert_message'] = "Marked all tasks Complete";
+
+    header("Location: " . $_SERVER["HTTP_REFERER"]);
+}
+
+if (isset($_GET['undo_complete_all_tasks'])) {
+
+    enforceUserPermission('module_support', 2);
+
+    $ticket_id = intval($_GET['undo_complete_all_tasks']);
+
+    // Get Client ID
+    $sql = mysqli_query($mysqli, "SELECT * FROM tickets WHERE ticket_id = $ticket_id");
+    $row = mysqli_fetch_array($sql);
+    $client_id = intval($row['ticket_client_id']);
+
+    mysqli_query($mysqli, "UPDATE tasks SET task_completed_at = NULL, task_completed_by = NULL WHERE task_ticket_id = $ticket_id AND task_completed_at IS NOT NULL");
+
+    // Add reply
+    mysqli_query($mysqli, "INSERT INTO ticket_replies SET ticket_reply = 'Marked all tasks incomplete', ticket_reply_type = 'Internal', ticket_reply_by = $session_user_id, ticket_reply_ticket_id = $ticket_id");
+
+    $ticket_reply_id = mysqli_insert_id($mysqli);
+
+    // Logging
+    logAction("Ticket", "Edit", "$session_name marked all tasks as incomplete for ticket", $client_id, $ticket_id);
+
+    $_SESSION['alert_message'] = "Marked all tasks Incomplete";
+
+    header("Location: " . $_SERVER["HTTP_REFERER"]);
+}
\ No newline at end of file
diff --git a/ticket.php b/ticket.php
index ea369a6c..b2b56e99 100644
--- a/ticket.php
+++ b/ticket.php
@@ -929,11 +929,11 @@ if (isset($_GET['ticket_id'])) {
                                         <i class="fas fa-ellipsis-v"></i>
                                     </button>
                                     <div class="dropdown-menu">
-                                        <a class="dropdown-item text-success" href="#">
+                                        <a class="dropdown-item text-success" href="post.php?complete_all_tasks=<?php echo $ticket_id; ?>">
                                             <i class="fas fa-fw fa-check-double mr-2"></i>Mark All Complete
                                         </a>
                                         <div class="dropdown-divider"></div>
-                                        <a class="dropdown-item" href="#">
+                                        <a class="dropdown-item" href="post.php?undo_complete_all_tasks=<?php echo $ticket_id; ?>">
                                             <i class="far fa-fw fa-square mr-2"></i>Mark All Incomplete
                                         </a>
                                         <div class="dropdown-divider"></div>