ComboBox Multi Select linking back to Microsoft List Field

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Posted on by CU06022134-0

Good Evening,

I am creating forms in Power Apps and requests get linked back to Microsoft Lists.

I have a Main Intake List where all selections of form will appear when form submitted. I also have a separate List for a Dataset based on a bunch of fields that a person can select within a combo box on the form. The dataset list contains a title column (Row Id) listed 1- ... , and 3 other columns... fieldkey, phase, dataset.

All selections on my form link back to the main intake list except my last form selection of the combobox multi select. When I submit the form, nothing appears in the fieldkey column in main intake List and I cannot figure out why. The fields populate correctly in the form and you can multi select but when I submit the form...nothing for that field...

I loaded in the fieldkey datacard and have the control updating based on the combobox selections.

What kind of information do you need from me??

Thanks,

Dan

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Sunil Kumar Pashikanti 2,318 Moderator on at

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@CU06022134-0

If I’ve understood your problem correctly, the issue is that the selections from the multi-select ComboBox are not being saved properly to the fieldkey column in your Microsoft List when the form is submitted. This usually happens for one of two reasons: either the column type in the Microsoft List is not compatible (it should be a Choice column with Allow multiple selections enabled), or the formula in the DataCard’s Update property is incorrect.

To fix this, make sure the List column is configured correctly and set the DataCard’s Update property to:
ComboBox_FieldKey.SelectedItems

This ensures that all selected values are passed correctly to the SharePoint list. Following best practices—such as matching column data types and understanding how DataCard properties work—will help avoid similar issues in future development.

✅ If this answer helped resolve your issue, please mark it as Accepted so it can help others with the same problem.
👍 Feel free to Like the post if you found it useful.

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WarrenBelz 155,838 Most Valuable Professional on at

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Hi @CU06022134-0,

There are four relevant items here - The Items and DefaultSelectedItems of the Combo Box, the Update of the Data Card and the type of field you are writing back to in SharePoint. If you post all of these, it should be easy to sort out.

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