Using session variable in init. string of session variable init. block

hi, experts,
is it allowed to use a loaded session variable (A) in the initialization string in the initialization block of another session variable (B).
for example,
in the execution precedence of initialization block of B, added the initialization block of A
then in the initialization string in the initialization block of B,
the sql likes:
select yyy from a where a.xxx = 'valueof(nq_session.A)'
what is the correct syntax?
thank you very mucH!

That's the correct format. If it is not working for you then you need to give more information as what's happening, how you populate your Init Blocks etc.

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