VMs actions work.

src/MappedCollection.coffee

@@ -322,8 +322,8 @@ class $MappedCollection
     if remove
       $_.extend(itemsToRemove, @_byKey)
 
-    $_.each items, (value, key) =>
+    $_.each items, (value, generatorKey) =>
-      key = @_key value, key
+      key = @_key value, generatorKey
 
       # If the item already existed.
       if @_byKey[key]?
@@ -336,6 +336,7 @@ class $MappedCollection
 
           # Compute the new value.
           item.generator = value
+          item.generatorKey = generatorKey
           $computeValue this, rule, item
 
           # Runs related hooks.
@@ -352,11 +353,13 @@ class $MappedCollection
         return unless rule
 
         # Adds the item.
-        item = @_byKey[key] = @_byRule[rule.name][key] =
+        item = @_byKey[key] = @_byRule[rule.name][key] = {
           _ruleName: rule.name
-          key: key
+          key
           value: undefined
           generator: value
+          generatorKey
+        }
 
         # Computes the value.
         $computeValue this, rule, item

src/api.js

@@ -162,13 +162,13 @@ var $register = function (path, fn) {
 	}
 
 	var current = Api.fn;
-	for (var i = 0, n = path.length; i < n; ++i)
+	for (var i = 0, n = path.length - 1; i < n; ++i)
 	{
 		var component = path[i];
 		current = (current[component] || (current[component] = {}));
 	}
 
-	current.fn = fn;
+	current[path[n]] = fn;
 };
 
 //--------------------------------------------------------------------
@@ -543,9 +543,9 @@ _.each({
 		}
 
 		// Gets the corresponding connection.
-		var xapi = this.xo.connections[vm.$pool];
+		var xapi = this.xo.xapis[vm.$pool];
 
-		xapi.call('VM.'+ method, p_id);
+		xapi.call('VM.'+ method, vm.$ref);
 
 		return true;
 	});

src/spec.coffee

@@ -403,6 +403,9 @@ module.exports = (refsToUUIDs) ->
             }
           }
 
+          # The reference is necessary for operations with the XAPI.
+          $ref: -> @generatorKey
+
       'VM-controller':
         extends: 'VM'