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    Please note that this documentation is for the most recent version of this extension. It may not be relevant for older versions. Related documentation can be found in the documentation directory of the extension.

    Why doesn't the HideShow action work in backend modules?

    You might have forgotten to add the hidden property to your model. Add it like this:

    /**
 * @var boolean
 */
protected $hidden;
/**
 * @return bool
 */
public function isHidden()
{
    return $this->hidden;
}
/**
 * @param bool $hidden
 */
public function setHidden($hidden)
{
    $this->hidden = $hidden;
}

    Also make sure that you have added the field to TCA columns:

    `hidden` => [
    `config` => [
        `type` => `passthrough`,
    ]
],
`crdate` => [
    `config` => [
        `type` => `passthrough`,
    ]
],
`tstamp` => [
    `config` => [
        `type` => `passthrough`,
    ]
],
    Last change: 2026-01-24
    Documentation
    TYPO3 Modules Extension

    TYPO3 Modules

    Little helper for TYPO3-Extension-Developer for creating Backend modules in TYPO3.

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