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Extract charactes from attached file name

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Posted on by LilayLily1

Hello together,

I'm trying to create a flow which get daily email from a shared outlook mailbox at a specific time and save the attached file in a sharepoint. The attached file name is, for example, 23_05_15_XX.xlsx. I would like to extract 23_05 (YY_MM). I have a problem with extracting the five characters of the attached filed name. If necessary, I will provide you with screenshots.

Thank you for your help

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Building flows

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ManishSolanki 15,091 Super User 2025 Season 2 on at

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Hi @LilayLily1

I would request you to share the required screenshots.

Thanks

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Matthy79 4,180 Super User 2024 Season 1 on at

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Hello,

substring or slice should do the work.

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LilayLily1 4 on at

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Hello,
thanks for your answer. I've already tried substring
substring(triggerBody()?['Attachments']?[0]?['Name'],0,6
. But I get an error. Power Automate is expecting an array and not an object.

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Matthy79 4,180 Super User 2024 Season 1 on at

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What is the value of
triggerBody()?['Attachments']?[0]?['Name']

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LilayLily1 4 on at

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Where can I find it out?

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Matthy79 4,180 Super User 2024 Season 1 on at

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Look into the flow history trigger or create a compose action where you put the dynamic value or formula.

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