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Append array with strings

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Posted on by Theme

Hello,

I would like to add persons into a list person column. I have email addresses and tried to add them into an array and after compose add them into a list. But during the save I received the following error:

"Flow save failed with code 'WorkflowRunActionInputsInvalidProperty' and message 'The inputs of workflow run action 'Append_to_array_variable' of type 'AppendToArrayVariable' are not valid. The provided value of '[ "@variables('First Approver')", "@variables('Second Approver')", "@variables('Sourcing Manager')", "@variables('CFM')" ]' of type 'Array' must be a primitive type, or a valid template language expression.'."

I don't understand what is the problem in my append array step. All of the variables are String and all of it contains valid email address. Could you please help me?

Best regards,

Gergő

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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 Gergő,

If you are adding those values in a plain array, then use "Append to array variable" four times for adding those 4 variables. Each time just select the variable from the dynamic content widow, you don't need to warp the value inside [].

If this helps & solves your problem, please remember to give a 👍 and accept my solution as it will help others in the future.

Thanks

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Theme 29 on at

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Hello,

It doesn't help for me, because the list can't recognize the people in the array :(. But I can solve the problem with update item step and some condition.
Thanks a lot your help.

Best regards,
Gergő

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