add function to generate prompt PDU

[robamu]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.43%. Comparing base (9fb8e1d) to head (a5cf31e).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #50   +/-   ##
=======================================
  Coverage   98.43%   98.43%           
=======================================
  Files          15       15           
  Lines        1730     1730           
=======================================
  Hits         1703     1703           
  Misses         27       27           

Flag	Coverage Δ
unittests	98.43% <ø> (ø)

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