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Gravity PDF v4 will receive bug fixes and security updates until October 4, 2019, however it's recommended you upgrade to v5 as soon as practical.
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Description #description

Use this filter to enable the PDF Master Password in the Advanced tab when the Security option is enabled.

Version #version

This filter was introduced in Gravity PDF 4.2.

Parameters #parameters

$enable | boolean
Return true to show the Master Password field in the UI

Usage #usage

Use the following code to enable the field:

add_filter( 'gfpdf_enable_master_password_field', function( $enable, $settings ) {
    return true;
}, 10, 2 );

Source Code #source-code

This filter is located in the Helper_Options_Field.php files in the /src/helper/ directory.

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