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Filter Array Output Empty

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Posted on by DF-17041908-0

Hi guys,

can you tell me why the output of the filter array is always empty?

By the way, the step is from this video Power Automate SharePoint Item Modified flow | Track Column Changes (Version History) ;-)

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ronaldwalcott 3,847 Super User 2025 Season 2 on at

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Shouldn't true be 'true' rather than the boolean expression

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Ellis Karim 11,695 Super User 2025 Season 2 on at

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Hi @DF-17041908-0

Try testing for text string 'true' because your data for the "Value" property is text (and not boolean, true, false):

{ "ColumnName": "Modified", "Value": "true" }

If your data contained boolean data type for the "Value" property, your original filter would work correctly:

{ "ColumnName": "Modified", "Value": true }

Updated: Having watched the video, you may have missed the following step: https://youtu.be/Ek4oYWPWfT0?si=JXPmJWQUhyI25_xL&t=1262, where the Filter Array action is configured in advanced mode:

Note that if you switch from advanced mode back to basic mode, the 'true' (i.e., true inside single quotes) in the expression will revert back to the "incorrect" expression, true

Advanced mode:

@equals(item()?['Value'],'true')

Basic mode:

@equals(item()?['Value'],true)

So, you may want to use:

string('true')

Ellis Karim
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ronaldwalcott 3,847 Super User 2025 Season 2 on at

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Why did my response to this disappear? This forum is suddenly full of bugs,

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