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docs/models-services.md

@@ -18,6 +18,7 @@ A service takes (in most cases) a model and returns one.
 * [Models](#models)
   * [Default Values](#default-values)
   * [Constructor](#constructor)
+  * [Access Model Data](#access-to-the-data)
 
 ## Services
 
@@ -168,3 +169,8 @@ or parsing the contents of a child-array into a model.
 
 If the model does nothing like this, you don't need to define a constructor at all.
 The parent will handle it all.
+
+#### Access to the data
+
+After initializing a model, it is possible to access all properties via `model.property`.
+To make sure the property actually exists, provide it as a default.