Printing out numbered parameter value

Hello!
Is there a simple method to print out numbered parameter (#xxxx from linuxcnc.var) value on pyvcp?
There's a widget <number>, looks like suits for this purpose, but i was unable to link it's <halpin> to NP in any way.

I have different values of delta Z for G38.3, it is stored in #3030 - for different fixtures on the table. I.e. #3030==0 means Z==0 on the table, #3030==10 means Z==0 10mm above the table. It's convenient to use numbered param, because lcnc automatically reads and writes it to var-file. But when you run lcnc-axis, you don't see current value of delta for tool sensor G38? and that may lead to some nasty consequencies. I just wanted to print it out on pyvcp

When i just start lcnc - there's no g-code executed yet, but previous val of #3030 is already read from var-file. Writing to motion.analog seems not possible in this way

Thank you, STARTUP_CODE helped a bit - now I can see a preset value of fixture height

It is easy to make a your own 'comp' hal component and show these pins on Screen.