[Paraview] How to automatize some operations on ParaView

[myaccountmail9 myaccountmail9]

Hi all,
could you please explain the way to automatize a sequence of operations?

For example, suppose I always have to apply on every input:

1) slice filter (with some plane...)
2) contour filter (on some variable, with some values interval...)

We would like to apply automatically these two operations after loading a
generic input file.
W tried to use File -> Save state, but this saves the sequence and the
input, and we won't the input.

Thank you
Luis
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