Parameter and Command Reference > Connector Framework Server Parameters > Import Tasks and their Parameters > PostN 

PostN 
PostN is used to specify tasks when documents are indexed into IDOL server. Post tasks are called after content has been extracted from documents, and after sub-files have been extracted. Tasks must be numbered starting from zero (0).
The import tasks that can be called by PostN are IdxWriter, Lua, and Sectioner.
 
Post0=Lua:C:\Scripts\posttask1.lua