diff --git a/src/Contracts/HasDevices.php b/src/Contracts/HasDevices.php
index 5a5e0eb..69df574 100644
--- a/src/Contracts/HasDevices.php
+++ b/src/Contracts/HasDevices.php
@@ -13,4 +13,9 @@ interface HasDevices
      * @return \Illuminate\Database\Eloquent\Relations\HasMany
      */
     public function devices();
+
+    /**
+     * @return string[]
+     */
+    public function deviceTokens(): array;
 }
diff --git a/src/Models/Concerns/WithDevices.php b/src/Models/Concerns/WithDevices.php
index 8f55208..443ff13 100644
--- a/src/Models/Concerns/WithDevices.php
+++ b/src/Models/Concerns/WithDevices.php
@@ -16,4 +16,20 @@ public function devices()
     {
         return $this->hasMany(UserDevice::class);
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function deviceTokens(): array
+    {
+        static $tokens;
+
+        if ($tokens) {
+            return $tokens;
+        }
+
+        $this->loadMissing('devices');
+
+        return $tokens = $this->devices->pluck('token')->toArray();
+    }
 }