The left side of the 'Equal' operator must be a property of the entity.

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Posted on by Arnablaha

I got an error in data verse

"The left side of the 'Equal' operator must be a property of the entity."

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Thami on at

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Re: The left side of the 'Equal' operator must be a property of the entity.

I experienced the same error when I had a Compose action output on the left and the table column on the right. Swapping the Compose output from left to right and table column from right to left resolved my issue.
rzaneti 4,096 Super User 2025 Season 1 on at

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Re: The left side of the 'Equal' operator must be a property of the entity.

Hi @Arnablaha ,

I see that you are trying to list the rows from a Dataverse table, filtering a column from it. The message error means that you have no column called '493500331' in your table.

Could you please confirm which column you want to filter? In general, the name of the column for filtering purposes is different from the 'Display name' that we see in Dataverse standard view, and in Power Automate you must filter by the 'logical name', which you can find in the Column details from your Datverse Table:

Another option to identify the 'logical names' of the columns is to run your 'List rows' action without any filter, access the raw outputs and, by checking the properties names from one of the elements of the body/value, identify the property that returns the desired value.

To access the raw outputs, you just need to go to the flow run page, navigate until the specific action and click in these buttons:

It will open a JSON view in a sidebar or in a new tab:

Find the "body" property (you can search it with Ctrl+F). Make sure to remove any sensitive content from the image before sharing it here. Also, this article provides additional details about how does these raw inputs/outputs work and how to access them: http://digitalmill.net/2023/06/29/how-to-access-the-raw-outputs-in-power-automate/