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How to get the element's dynamically from any appended array in power Automate?

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Posted on by Himanshu Kamboj

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Hi,

I have a MS flow , Where I need to store the elements in an array and later on, I need to use this array to create the HTML table.

So for that I am appending the elements in an array and it's getting successfully appended, but after that as I am creating the HTML table using this appended array then flow giving the error /The property 'columns' must be specified unless the 'from' property value is an array of objects./

To overcome from this error I am trying to structure these array elements through the select property of /Data Operations/, but I am not getting a way to extract these elements from the /appended array/.

can you please suggest the way, how can I retrieve the elements from the array dynamically??

Below: I am trying to format the data through select operation

Now I just Need to know the expression to get the values from the appended Array.

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Dengliang Li Microsoft Employee on at

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Hi,

Based on the information you provided, a similar MS flow was created for testing.
The expression used in the Select action is as follows.
json(variables('MyArray')?[0])?['Program Name']
json(variables('MyArray')?[1])?['Entity Type']
json(variables('MyArray')?[2])?['Entity Name']
json(variables('MyArray')?[3])?['Document Type']

I hope my answer is helpful to you! If you have any other questions, please feel free to contact me.

Best Regards,
Dengliang Li

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Himanshu Kamboj 440 on at

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Hi Li,

I have tried it but it's giving the error.

I have written the expression same as you suggested.

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Dengliang Li Microsoft Employee on at

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Hi,

The following are the modified expressions.

json(variables('MyArray')?[0])?[0]?['Program Name']
json(variables('MyArray')?[0])?[1]?['Entity Type']
json(variables('MyArray')?[0])?[2]?['Entity Name']
json(variables('MyArray')?[0])?[3]?['Document Type']
json(variables('MyArray')?[0])?[4]?['Uploaded On']

I hope my answer is helpful to you! If you have any other questions, please feel free to contact me.

Best Regards,
Dengliang Li

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