Update example; add required metadata to mobileData()

Author: aksalj

README.md

@@ -172,7 +172,7 @@ Instantiating the class will give you an object with available methods
             - `quantity`: Mobile data amount. `REQUIRED`
             - `unit`: Mobile data unit. Can either be `MB` or `GB`. `REQUIRED`
             - `validity`: How long the mobile data is valid for. Must be one of `Daily`, `Weekly` and `Monthly`. `REQUIRED`
-            - `metadata`: Additional data to associate with the tranasction.
+            - `metadata`: Additional data to associate with the tranasction. `REQUIRED`
 
     - **$options:** optional associative array with the following keys:
         - `idempotencyKey`: Key to use when making idempotent requests

example/composer.json

@@ -3,7 +3,7 @@
     "description": "Simple SDK usage",
     "require": {
         "php": ">=5.3.0",
-        "africastalking/africastalking": "2.2.0",
+        "africastalking/africastalking": "dev-develop",
         "altorouter/altorouter": "1.1.0"
     }
 }

example/composer.lock

@@ -579,9 +579,10 @@ protected function doMobileData($parameters, $options = [])
                 if (!isset($r['phoneNumber']) || 
                     !isset($r['quantity']) || 
                     !isset($r['unit']) ||
-                    !isset($r['validity'])) {
+                    !isset($r['validity']) ||
+                    !isset($r['metadata'])) {
 
-                    return $this->error('recipients must be an array containing phoneNumber, quantity, unit, validity');
+                    return $this->error('recipients must be an array containing phoneNumber, quantity, unit, validity and metadata');
                 }
 
                 if (isset($r['validity'])) {