<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 an array is empty</p></td></tr><tr><td colspan="1" rowspan="1" colwidth="121"><p>Parameters</p></td><td colspan="1" rowspan="1"><p>One Array Value</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="oq04xdmz3r7" data-toc-id="oq04xdmz3r7">Description</h1><p>The expression will return <code>TRUE</code> if the array has no elements otherwise it will return <code>FALSE</code>.</p><img data-width="50%" data-align="right" data-featurebase-content-key="64d3d3062f8f6e8a3e58f79b/article/68125ab0db901ed462cbadaf/019687b3-0507-7bf2-b473-b4c93b21f84b/b64u-aW1hZ2UucG5n.png" data-featurebase-content-filename="image.png" src="https://64d3d3062f8f6e8a3e58f79b.featurebase-attachments.com/c/article/68125ab0db901ed462cbadaf/019687b3-0507-7bf2-b473-b4c93b21f84b/b64u-aW1hZ2UucG5n.png?X-Amz-Expires=3600&amp;X-Amz-Date=20260203T070000Z&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=DO801TYC4FCVNNEKURKM%2F20260203%2Ffra1%2Fs3%2Faws4_request&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Signature=2cb244fe65b2649d25dd3a6854058f23cba0f7d493232bf3c209a96ea5255f53"><h1 id="f28cpealiki" data-toc-id="f28cpealiki">Comments</h1><p>Only array types can be tested with this expression. Using non-array types will produce an error.</p><p></p><div data-type="horizontalRule"><hr></div><p style="text-align: right">v3.0</p>

Reference documentation for using the Is Array Empty expression

Is Array Empty

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Purpose	Test whether an array is empty
Parameters	One Array Value
Returns	Boolean