901
When i put this rule in the expression,
Hi @frixel,
I think you're using the concat() function incorrectly. You have to append two or more string parameters inside the function. You can refer to this reference#concat.
E.g. concat('<text1>', '<text2>', ...)
I have noticed that this is a problem of the same scenario you mentioned it before.
https://powerusers.microsoft.com/t5/Using-Flows/Error-in-expression/m-p/293863#M7149
If you have other problems in an issue, please raise it below the original post, which can help us better understand your idea, so as to provide you with more accurate solutions.
You can have a try with it. If there is any problem, please contact us.
Best Regards,
Community Support Team _ Lin Tu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
The formula by itself only shows us part of the issue. If you could provide an expanded screenshot of your Flow and steps, and of any detailed error messages you're receiving we could likely better assist you.
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