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List operation 'substract'

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It is friday!!!

So maybe I am already on my weekend break...

I thought I had a very simple issue, but it turned into a headache today.

I want to use a 'list operation'in a Microflow to determine the difference between 2 imports of data.

In order to tell the imports apart they have a header-record (only holds date-time) and a lot of fields in the entity below the header.

The problem is: when I use substract, I always get all the records in the NEW import back as being 'New'. Which is not true.

So I wonder if the reference to  header record is evaluated in the 'substract' as well and not only the fields in lists that I compare.

Anybody any ideas... I cannot really determine from the documentation.

 

Thanks and have a great weekend!!

Mark

 


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