DFSMS/VM config question,

[Steve Gentry]

Hello.  I'm trying to figure out how to code a parameter with regards to DFSMS.
The parameter name is:   RM_AUTO_LIBRARY
It is located in:   DGTVCNTL.DATA   file.   This file is located on the 1B5 mdisk of DFSMS
or in can be in  SFS pool     VMSYS:DFSMS.CONTROL.
Specfically, the seqnum.  The IBM CE did not provide this value nor do I (respectfully) think he would know what it is.
Is located somewhere on the Tape Library Manager  pc?
Thanks,
Steve G.