Update item operation for choice fields with multiple selection

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Posted on by PE-25021603-0

Hello Community,

Once I make the two choice columns ("Series / Proto" & "Specs available") of the underlying SharePoint List a mandatory field with multiple selection allowed, the update item operation in the Power Automate flow will actually require in input. If I try to set the input as a dynamic content either from the previous get item operation or as a formula, the flow will also be altered and some "for each" operations implemented.

How can I manage, that the values / selection of the current list will be taken over as part of the update item operation for both and then a notification mail is sent?

Thank you very much for your support in advance.

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Nived_Nambiar 18,138 Super User 2026 Season 1 on at

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Hi,

Would the dynamic content obtained from get items action would be of simmilar array structure ?

this can help in avoiding creating for each loops

Thanks & Regards,
Nived N

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PE-25021603-0 2 on at

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Hi Nived,

thanks for your quick response. Basically my issue is the below failure message created from the loops. Any idea how to fix this?

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David_MA 14,211 Super User 2026 Season 1 on at

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Since you don't show the configuration of the actions, I cannot be sure without see the configuration of your flow. If the second apply to each is pointed to your multiple choice field, but try this:

Create a variable named choices that is an array and set the default value to []

Delete the update item action and replace it with an append to array variable action. This will add each of the choices selected to the array.

Then add back in the update item action but be sure it is within the first apply to each and not the second one.

Where you want to add these values in the update item action, you can use this expression to join them together comma separated: join(variables('Choices'),', ')

Note: if you are updating a choice column in your SharePoint list, this will not work. If that is the case, read this blog post: Power Automate – Update MultiChoice Field | Knowledge Share. It will show similar steps, but it will show you how to format the data to populate a multiple choice field.

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