Add associated column data to a CSV

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Posted on by BCBuizer

22,720 Super User 2026 Season 1

Hi All,

I'm trying to build a flow that frequently creates a report in a CSV from data that is stored in a SharePoint list. The data for one column (Unit) is not stored in the same list that has the data, but in a separate list called SubUnits where the SubUnits are mapped against the Units, with both columns as text. Ideally I want to add an expression to the "Create CSV table" action, that will populate the UNIT column in the CSV:

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Mira Ghaly 11,415 Moderator on at

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@BCBuizer

Can you please share a sample of your sharepoint list so I can try to replicate at my side?

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BCBuizer 22,720 Super User 2026 Season 1 on at

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Hi @Mira_Ghaly ,

The transaction list (used in the Get Items action):

Title (Text) SubUnit (Text) Etc.

Transaction 1
London

Transaction 2 Paris

The SubUnits list (from which I need the Unit value, based on the value of the SubUnit):

Title (Text) Unit (Text) etc.

London UK

Paris France

Manchester UK

In PowerApps I would use something like: LookUp(SubUnits,Title=ThisItem.SubUnit).Unit, but I don't know what the Power Automate expression equivalent for this is.

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KvB1 1,596 on at

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Only way I would know how to do this is to create a for all loop, within it fetch items from the second list using the subunit field as an odata filter query.

Ofc it would be much nicer to not need a loop, so i hope someone knows a way ^^

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