Updated Decoding JSON (markdown)

Decoding-JSON.md

@@ -146,6 +146,13 @@ You can also iterate through the key-value pairs of the object:
       Serial.println(it->value.asString());
     }
 
+Or if you want to iterate through a nested array:
+
+    JsonObject& data =  variables["data"];
+    for (auto dataobj : data){
+        Serial.println(dataobj.key);
+    }
+
 ## Advanced Example
 
 Let's take what we've learned above up a gear :)