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How can I set as null/blank choice when adding an element to a DataVerse table?

Hello,

 

I'am trying to export a big data set from SP to DataVerse with a Flow. My flow get elements from SP list and for each choice column set a variable with the number that represents the choice value in the DV column. Trying to export the choice there are times where a choice has not been set. For default it sets the integer variable with 0. Then the flow stop working because other values are expecte

 

AlexBlanes_0-1631190763808.png

It gives when setting this :

 

AlexBlanes_1-1631190833864.png

I tried to set an if where if var where 0 set null but when running It crashes.

Another trie was if the var where 0 set empty but that expression is not valid.

 

How can I set it as null/blank??

 

I'm glad to share any more information if you need. Thanks in advance,

 


Update: It looks like I have to extract the set of the choice properties outside the element creation method because there is no way to put a null/empty as value because there is no a accepted value like that.

5 REPLIES 5

Hello, @AlexBlanes!

 

For what I can read in the error description, it seems like only those values are allowed in there.

 

rrovira_0-1631223265010.png

 

Maybe you could get those values as dynamic content from the SP list?

 

Cheers,

Rodrigo

Hi,@rrovira !


In the flow, previously of the creating the element I set the choice value that match the incoming text into a variable using a switch and in the creation method I used this variable. The trouble is in the case it's empty. Because there is no value to set it as empty.


This makes me to extract the set the value to the property out of the creation method. Then for each choiche element I have an if that check if exists a variable. In that case a method updates the element previously created and set to the choice propperty the allowed value.

 

Thanks

SP_TLoughran
Frequent Visitor

I am experiencing exactly the same issue. I have found a few sources saying that this is not possible but following this for a fix - annoyingly if the field is not given a value it will be left blank.

Nmonterrosa
Regular Visitor

I know this is an old post. I am having this exact same issue. Did you happen to find a solution to your problem?

JacN
Regular Visitor

I know this is old, but this worked for me:  

if(equals(length(item()?['<choice_column>']),0),null,item()?['<choice_column>'])

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