<table style="minWidth: 146px"><colgroup><col style="width: 121px"><col></colgroup><tbody><tr><td colspan="1" rowspan="1" colwidth="121"><p>Purpose</p></td><td colspan="1" rowspan="1"><p>Test whether a value is empty</p></td></tr><tr><td colspan="1" rowspan="1" colwidth="121"><p>Parameters</p></td><td colspan="1" rowspan="1"><p>One Value, any type</p></td></tr><tr><td colspan="1" rowspan="1" colwidth="121"><p>Returns</p></td><td colspan="1" rowspan="1"><p>Boolean</p></td></tr></tbody></table><h1 id="5mw8z35qib5" data-toc-id="5mw8z35qib5">Description</h1><p>The expression will return <code>TRUE</code> if the field is empty, otherwise it will return <code>FALSE</code>.</p><img data-width="50%" data-align="right" data-featurebase-content-key="64d3d3062f8f6e8a3e58f79b/article/6813290b3db637ddc58e6ae8/01968ad8-8b3f-79f1-97d4-5932ccb7eac5/b64u-aW1hZ2UucG5n.png" data-featurebase-content-filename="image.png" src="https://64d3d3062f8f6e8a3e58f79b.featurebase-attachments.com/c/article/6813290b3db637ddc58e6ae8/01968ad8-8b3f-79f1-97d4-5932ccb7eac5/b64u-aW1hZ2UucG5n.png?X-Amz-Expires=3600&amp;X-Amz-Date=20260228T140000Z&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=DO801TYC4FCVNNEKURKM%2F20260228%2Ffra1%2Fs3%2Faws4_request&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Signature=dd55631d81c37d9a4cc37b52cd78a1235a50786ee097afa5eb6e426cb670c262"><h3 id="6q180m5yaz0" data-toc-id="6q180m5yaz0"></h3><p></p><div data-type="horizontalRule"><hr></div><p style="text-align: right">v3.0</p>

Reference documentation for using the IsEmpty expression

IsEmpty

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Purpose	Test whether a value is empty
Parameters	One Value, any type
Returns	Boolean