TWEBUpdate setup.exe with parameters /S

We have a .inf .
I need to install during night with silent (no form installation) setup.exe /S parameters
appcomps=xxx_setupUpd.exe /S
How to add a parameters /S not run in silent mode
It's possible to run with parameters my setup.exe files

[update]
newversion=1.12.1.0
localversion={APP}\myAppl.exe
[FILES]
count=1
[FILE1]
url=http://www.xxxxx.com/Update/xxx_setupxUpd.exe
descr= Application x.
filesize=44573043
[APPLICATION]
appupdate=1
appname=application xxxx Update
appcomps=xxx_setupUpd.exe /S
silentrestart=1

OnSetAppParam can be used for this.
Described in dev guide


page 9

Perfect is exactly what I need

Thank you