Use the

ExtensionManager

managed object in your

instance to register a new extension. Extensions can add new objects to the vCenter inventory. Extensions define tasks, events, and faults that relate to actions that the solution performs on the objects, the events that occur in the extension, and the problems that the objects encounter. You can also use

ExtensionManager

to add user interface elements to the

to allow users to interact with the objects that your extension provides to

.

extensions can have both a client and a server component, or they can consist of just a client component or just a server component. Each instance of an extension is represented by an

Extension

data object.

You can indicate that an extension manages the virtual machines or vApps that it creates by setting the

managedBy

property in the

ManagedEntityInfo

data object for that virtual machine or vApp. When you register an extension with

, you can define an icon that represents the virtual machines that the extension manages. Virtual machines that an extension manages display the icon that you define in the inventory of virtual machines in the

. The

shows a warning if users try to perform manual operations on a virtual machine or vApp that the extension manages.

adds data objects to the vSphere Extension APIs that integrate extensions as vCenter solutions that you can manage.

For information about how to develop

and

extensions, see the

VMware vSphere Web Client Extensions Programming Guide

and

vSphere Client SDK Developer Guide

.

For information about developing vSphere applications, see the

vSphere Web Services SDK Programming Guide

and the

VMware vSphere API Reference

documentation.