Add envelope function to UDF registration script

[CritasWang]

as title.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 41.21%. Comparing base (c94c9a3) to head (2a29ebf).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #17971      +/-   ##
============================================
- Coverage     41.22%   41.21%   -0.01%     
  Complexity      318      318              
============================================
  Files          5258     5258              
  Lines        365937   365937              
  Branches      47328    47328              
============================================
- Hits         150855   150829      -26     
- Misses       215082   215108      +26     

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