Problems with Apply to each

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Posted on by YC-24020600-0

Hello, the flow was work normaly and now I have problems with Apply to each an for each. I need only apply to each, but he puts me automaticly for each in the flow. Why¿

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MS.Ragavendar 7,431 Super User 2026 Season 1 on at

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@YC-24020600-0, can you provide the power automate (Workflow) screenshot or run history and please provide the insights much more brief.

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YC-24020600-0 4 on at

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Hello, yes, of course! Run History told me:

Action 'For_each' failed: Unable to process template language expressions for action 'For_each' at line '0' and column '0': 'The template language function 'createArray' expects a comma separated list of parameters. The function was invoked with no parameters. Please see https://aka.ms/logicexpressions#createArray for usage details.'.

u but for 1 week the same flow was run.. its very strange.

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YC-24020600-0 4 on at

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here when was run it

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MS.Ragavendar 7,431 Super User 2026 Season 1 on at

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@YC-24020600-0, thanks for sharing the screenshot of the Power Automate (flow).

You selected a dynamic content value that is an array (e.g.,) Attachments, value, items, etc.

When Power Automate sees we are using an array where a single value is expected it automatically wraps the next action in a For each / Apply to each to loop through each item in that list this is the default behaviour.

from the screenshot which you shared, the loop is happening right after the email trigger, around GetAttachment and your Condition.

If you want only first item / last item - first(triggerOutputs()?['body/attachments']) / first(triggerOutputs()?['body/attachments'])?['id'] / first(triggerOutputs()?['body/attachments'])?['name'] in the Get Item Attachment.

✅If this helped, please Accept as Solution to help others ❤️ A Like is appreciated 🏷️ Tag @MS.Ragavendar for follow-ups.

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