The Copy Application command is the same as the "Duplicate As New" command available in the Application Library.

Copy Application
Properties ( ApplicationName, CopyApplicationToName, ApplicationDescription, ApplicationType)
Values( 'Comma', 'CommaCopy', 'Copied App Desc', 'Consolidation');

ApplicationName—The name of an existing application.

CopyApplicationToName—The name of the new duplicated application.

ApplicationDescription—The application description.

ApplicationType—Type of application. Valid values are: Generic, Consolidation, Planning, Profitability - Standard, Profitability - Detailed, Essbase ASO, or Essbase BSO.