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Select only one file from OneDrive Business

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Posted on by tolga-balci

Hi Everyone,

I'm creating customized emails to my customers that includes monthly reports for the products they are using.

My monthly reports are in a OneDrive Business folder and named as:

Monthly Report-Windows.xlsx
Monthly Report-Mac.xlsx
Monthly Report-Linux.xlsx

One customer receives only one report - e.g.

Customer A > Monthly Report-Windows.xlsx
Customer B > Monthly Report-Linux.xlsx
Customer C > Monthly Report-Mac.xlsx

I'm using Graph API to create draft emails and I'm then sending them.

My challenge is including the report in the Graph API call. I select the files using "Find files in folder" to get the unique FileID, but the next step is always for-each loop, even if I select one file to return:

How can I select one specific file so that I can include it in the API Call?

Thank you!

Cheers,
Tolga

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Building flows

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Hardesh15 7,087 Super User 2024 Season 1 on at

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I don't think there is any issue. Find files action is returning a collection which is why it is applying a loop. If you are selecting only one file then it will work only for that file not for other files.

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David_MA 13,935 Super User 2026 Season 1 on at

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I think you need to take a different approach, which I cannot tell you how without better understanding your goal. Your flow does not look correct based on what you describe. If you use the Get files action and limit it to 1 file, how can you be sure the correct file out of the three is the one that should be sent? If you don't care which one of the files is sent, then what @Hardesh15 said would be true.

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Pstork1 69,042 Most Valuable Professional on at

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If you always want the first file to be returned you can always use the first() function to avoid the loop and select the first file.

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tolga-balci 72 on at

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Hi All,

Thanks very much for the answers. Here is a bit of clarification (@David_MA)

I have the following files under a OneDrive folder:

I want to select one file from this directory - e.g. "Monthly Report-Windows.xlsx"

Once I select this one file, I will get its name and content bytes stored in variables to use in a Graph API call:

{ "@odata.type": "#microsoft.graph.fileAttachment", "name": "Monthly Report-Windows.xlsx", "contentBytes": "R0lGODdhEAYEAA7" }

In another step, I will do the same, but for another file - e.g. "Monthly Report-Linux.xlsx", and then get its name and content bytes, use those in another Graph API call. The reason for this is to satisfy the business requirement as I mentioned before - one customer receives only one report, therefore there will be different Graph API calls for each customer:

Customer A > Monthly Report-Windows.xlsx

Customer B > Monthly Report-Linux.xlsx

Customer C > Monthly Report-Mac.xlsx

Hope it's clear now.

Thanks much!

Cheers

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