Error when creating a SharePoint list item - field w/o value

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Posted on by Teigler

Hi Everyone,

I am trying to create a new SP list item based on another item in another list using HTTP request.

My problem is with assigning a value to a number field. If the source field (also number type) has a value everything works fine but if the source field is empty then I get the following error:

"Cannot convert a primitive value to the expected type 'Edm.Double'. See the inner exception for more details."

First I thougth that the problem was the formula as I'm using double quotes around the value I'm trying to assign

but if I remove the double quotes I get a different error message:

"Invalid JSON. An unexpected comma was found in scope 'Property'. A comma is only valid between properties of an object or between elements of an array."

Then I tried converting the value to integer using an expression with int() function but that also didn't work.

"The template language function 'int' was invoked with a parameter that is not valid. The value cannot be converted to the target type."

Is there any soution to my problem besides setting 0 as the default value for the field or using Single line of text type instead of Number?

Thank you in advance.

Regards,

Peter

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grantjenkins 11,063 Moderator on at

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You can have an expression that checks if the property is empty, and if so, use null, otherwise (if not empty), use the value of the property. See example below:

if(empty(string(outputs('Compose')?['Amount'])), null, outputs('Compose')?['Amount']) //You would use your field instead of the Compose if(empty(string(YOUR_SHAREPOINT_FIELD)), null, YOUR_SHAREPOINT_FIELD)

In the flow below, the Quantity would be set to null since we don't have an Amount property in our Compose object.

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Teigler 2 on at

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Thanks for your response.

I tried above expression but unfortunately it didn't help. I still receive the same error message as before.

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