Programmer's Guide > Interfaces > CMSSession interface > invokeExtension method
  
invokeExtension method
Invokes an adapter-specific extension function. Some adapters provide functionality beyond the standard CMS API.
invokeExtension(opcode, map)
Parameters
intopcode
Specifies the adapter-specific value which identifies the extension method to invoke.
PropertyMapmap
Specifies the collection of adapter-specific parameters to the specified extension method.
Returns
PropertyMap. A PropertyMap populated with adapter-specific content.
Throws
CMSException
Raised for any error calling the extension method.