You can use the vCenter Server plug-in to manage multiple vCenter Server instances. You can create workflows that use the vCenter Server plug-in API to automate tasks in your vCenter Server environment.
The vCenter Server plug-in provides a library of standard workflows that automate vCenter Server operations. For example, you can run workflows that create, clone, migrate, or delete virtual machines.
The vCenter Server plug-in includes the Policy-Based Management (PBM) and the Storage Montoring Service (SMS) APIs as scripting objects in the Orchestrator scripting API. The Storage Policy-Based Management policies and components appear in the Orchestrator Inventory tab.