From 4b724b38e47b320c44e799edcda335599b7dfb5c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fiete=20B=C3=B6rner?= <fieteboerner@googlemail.com>
Date: Wed, 10 Aug 2016 23:25:04 +0200
Subject: [PATCH] add documentation for subocument aggregation

---
 README.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/README.md b/README.md
index 2a1263ec7..354b5db5b 100644
--- a/README.md
+++ b/README.md
@@ -405,6 +405,15 @@ Aggregations can be combined with **where**:
 $sold = Orders::where('sold', true)->sum('price');
 ```
 
+Aggregations can be also used on subdocuments:
+
+```php
+$total = Order::max('suborder.price');
+...
+```
+
+**NOTE**: this aggreagtion only works with single subdocuments (like embedsOne) not subdocument arrays (like embedsMany)
+
 **Like**
 
 ```php