hey who ?
if You want You might address Your dog with hey, not people who will spend time helping You
if You want good answers start learning the good manners
the answer is YES/NO depending on what You want to achieve!
whatever the command ISPF builtin or TSO command
You can use <commandname> /(<membername>)
and Your command will receive as first argument <pdsname>(<membername>) verbatim
try wit a simple rexx script
/* rexx */
parse arg args
to make the most out of the questions You ask it would be wise for You to read and meditate onhow to ask questions the smart way