Document creating with deep nesting (#6791)

* Update associations.md

* Update associations.md

* Update associations.md

* Update associations.md

* Update associations.md

Another correction

docs/docs/associations.md

@@ -727,7 +727,7 @@ Trainer.hasMany(Series);
 
 
 An instance can be created with nested association in one step, provided all elements are new.
 An instance can be created with nested association in one step, provided all elements are new.
 
 
-### Creating elements of a "BelongsTo" or "HasOne" association
+### Creating elements of a "BelongsTo", "Has Many" or "HasOne" association
 
 
 Consider the following models:
 Consider the following models:
 
 
@@ -739,26 +739,45 @@ var User = this.sequelize.define('user', {
   first_name: Sequelize.STRING,
   first_name: Sequelize.STRING,
   last_name: Sequelize.STRING
   last_name: Sequelize.STRING
 });
 });
+var Address = this.sequelize.define('address', {
+  type: Sequelize.STRING,
+  line_1: Sequelize.STRING,
+  line_2: Sequelize.STRING,
+  city: Sequelize.STRING,
+  state: Sequelize.STRING,
+  zip: Sequelize.STRING,
+});
 
 
-Product.belongsTo(User);
+var Product.User = Product.belongsTo(User);
+var User.Addresses = User.hasMany(Address);
 // Also works for `hasOne`
 // Also works for `hasOne`
 ```
 ```
 
 
-A new `Product` and `User` can be created in one step in the following way:
+A new `Product`, `User`, and one or more `Address` can be created in one step in the following way:
 
 
 ```js
 ```js
 return Product.create({
 return Product.create({
   title: 'Chair',
   title: 'Chair',
   user: {
   user: {
     first_name: 'Mick',
     first_name: 'Mick',
-    last_name: 'Broadstone'
+    last_name: 'Broadstone',
+    addresses: [{
+      type: 'home',
+      line_1: '100 Main St.',
+      city: 'Austin',
+      state: 'TX',
+      zip: '78704'
+    }]
   }
   }
 }, {
 }, {
-  include: [ User ]
+  include: [{ 
+    association: Product.User, 
+    include: [ User.Addresses ] 
+  }]
 });
 });
 ```
 ```
 
 
-Here, our user model is called `user`, with a lowercase u - This means that the property in the object should also be `user`. If the name given to `sequelize.define` was `User`, the key in the object should also be `User`.
+Here, our user model is called `user`, with a lowercase u - This means that the property in the object should also be `user`. If the name given to `sequelize.define` was `User`, the key in the object should also be `User`. Likewise for `addresses`, except it's pluralized being a `hasMany` association.
 
 
 ### Creating elements of a "BelongsTo" association with an alias
 ### Creating elements of a "BelongsTo" association with an alias