Babel, var vrom property drawer in function call?

[Kalev Takkis <kalev.takkis@gmail.com>]

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Hi list,

Is there a way to use variables defined as :var: in :PROPERTIES: drawer in
function call? Such as

** Some heading
   :PROPERTIES:
   :var:      par1="smth"
   :END:

   #+call: some-function(parameter=par1)


Better yet, is there a way to have the function itself to figure out which
properties are in effect in a place where a function is called from? What I
mean is, when i have a code block

#+name: some-function
#+begin_src sh :results code
   echo $par1
#+end_src

defined under ** Some heading, evaluating the function will echo the value
of par1. But when the function is defined somewhere where par1 is not
defined, calling it under ** Some heading with #+call doesn't work. Can I
somehow instruct org to automatically use the parameter value from the
place where the function is called with #+call, rather than where its body
is defined?

All the best,
Kalev

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