Fix #51 (#52)

botman · Dec 4, 2017 · 3c924a2 · 3c924a2
1 parent 6e85a8d
commit 3c924a2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/FacebookDriver.php b/src/FacebookDriver.php
@@ -312,7 +312,7 @@ public function buildServicePayload($message, $matchingMessage, $additionalParam
     {
         if ($this->driverEvent) {
             $payload = $this->driverEvent->getPayload();
-            if (isset($payload['optin'])) {
+            if (isset($payload['optin']) && isset($payload['optin']['user_ref'])) {
                 $recipient = ['user_ref' => $payload['optin']['user_ref']];
             } else {
                 $recipient = ['id' => $payload['sender']['id']];