boolean_smtp_pro_upgrade_url

filter Tier B Since 1.0.0

Signature

add_filter( 'boolean_smtp_pro_upgrade_url', $callback, 10, 1 );

Parameters

Parameter	Type	Description
$url	string	The default upgrade URL. Return a different URL to redirect upgrade prompts elsewhere.

Returns string — The filtered URL.

Fires in

• app/Support/NullProCapability.php:111 — BooleanSmtp\Support\NullProCapability::getUpgradeUrl()
• boolean-smtp-pro/app/Services/ProCapabilityService.php:58 — BooleanSmtpPro\Services\ProCapabilityService::getUpgradeUrl()

Example

boolean_smtp_pro_upgrade_url.php

add_filter( 'boolean_smtp_pro_upgrade_url', function ( string $url ) {
    return $url;
}, 10, 1 );

Next steps

• Admin UI and REST API — every hook in this area, in firing order where that applies.
• Hook Explorer — filter and search every hook.