-Author: Who was first person/persons to create this macro code.

-Contributors: who contributed to the code after it was put in public domain.
    
-Purpose: short description of the macro, what is the reason etc. etc.

-Dependencies: assign_libraries.sas
  This is important - sometimes we need to know the dependencies.

-Inputs: list input datasets or parameters to control inputs.

-Outputs: list output datasets or parameteres to control outputs

-Parameters:
   If parameters are positional, say that in brackets in description of parameter (positional), otherwise it will be assumed that is a named parameter.

<NEED TO EXPLAIN PARMBUFF SOMEWHERE>

   Required:
     DSIN: list here all required parameters. By default, they should be blank.

   Optional:
     DSOUT: tell what are optional parameters. Don't forget to tell the default value, default: blank
     NEWPARAMETER: this is the second parameter. Just saying, default: addpam 

-Notes:
    Put any related notices here. No need to have version/history - it is kept
    within git.