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Power Automate - Building Flows

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Automated Teams Workflow post to channel Failing

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Posted on by LG-28081340-0

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HG-04090921-0 2 on at

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Automated Teams Workflow post to channel Failing

I am facing similar issue not able to test the flow

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David_MA 12,908 Super User 2025 Season 2 on at

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Automated Teams Workflow post to channel Failing

I have never used the Teams Webhook action, but based on your error, the flow is failing because the body.attachments value has only one item, which means it is not an array (multiple items) and is required for the apply to each action. You will need to add a condition to check if the body.attachments contains more than 1 item to use apply to each.

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