# Application Functions

The application functions can create new applications, and modify, copy, get information about and otherwise manage existing applications.

Function | Description
EssGetActive() | Gets the names of the caller's current active application and database.
EssSetActive() | Sets the callers active application and database.
EssClearActive() | Clears the user's current active application and database.
EssListApplications() | Lists all applications which are accessible to the caller.
EssCreateApplication() | Creates a new application, either on the client or the server.
EssCreateStorageTypedApplication() | Creates a new application with the option of Multi-Dimensional or Aggregate Storage.
EssDeleteApplication() | Deletes an existing application, either on the client or the server.
EssRenameApplication() | Renames an existing application, either on the client or the server.
EssCopyApplication() | Copies an existing application, either on the client or the server, to a new application, including all associated databases and objects.
EssGetApplicationInfoEx() | Gets information from one or more applications
EssGetApplicationState() | Gets an application state structure, which contains user-configurable parameters for the application.
EssSetApplicationState() | Sets user-configurable parameters for the application using the application's state structure.
EssGetApplicationInfo() | Gets an application's information structure, which contains non user-configurable parameters for the application.
EssLoadApplication() | Starts an application on the server.
EssUnloadApplication() | Stops an application on the server.