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AttributeRemover Userparameter only removes values

  • Mar 31, 2026 11:11 AM UTC
  • 1 reply
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max_h
Enthusiast
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Hello,

to simplify/reproduce my problem:  

I added a User-Parameter on my Attribute-Remover:
 

Which grants me a choice to select which to ignore, but (same as here Attribute Remover does not work with User Parameter | Community 8 years ago) it only removes the values and not the attributes, so when I write it into my database or even a new excel, it creates unneeded columns.
Manually selecting attributes in the Attribute-Remover works fine, this only happens when using user parameter.

 

Am I missing something or is there another way?

P.S. I also tried AttributeKeeper with User-Parameter, but then they’re unexposed, so I would have to iterate via AttibuteExploder, which simply seems unnecessary complicated...

1 reply

max_h
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  • Author
  • Enthusiast
  • Mar 31, 2026 1:21 PM UTC

Okay, I’ve found this answer from Mark FME remove missing values

And the solution is to use SchemaScanner and DynamicSchemaDefinition in my writer
 


Still confusing that the user-parameter approach does not offer the same result as the manual one in AttributeRemover.