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Power Automate - Building Flows
Answered

Join with HTML

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Posted on by 1,272 Super User 2025 Season 1

I have an array that I am trying to Join with <br> tags within a Compose. I am getting this error:

 

The input parameter(s) of operation 'Compose' contains invalid expression(s). Fix invalid expression(s) for the input parameter(s) of operation 'Compose'.

 

I cannot find anything documentation on how to escape the < > characters.

  • Verified answer
    IPC_ahaas Profile Picture
    1,272 Super User 2025 Season 1 on at
    Re: Join with HTML

    I ended up solving this by doing a Join with a semicolon and then Replace that semicolon with <br>. Weird that Join couldn't do it on its own.

     

    replace(join(variables('Array'),';'),';','<br>')

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