arm_change_optin_settings_before_save

This filter provides access to modify array of email marketing tools' settings prior to saving it.

Hook Type: Filter
Usage:
add_filter( 'arm_change_optin_settings_before_save', 'your_function');
function your_function($email_tools) {
    //$email_tools Email Tools Settings.
    $email_tools['some_tool'] = array();
    return $email_tools;
}
Parameters:
$email_tools
Email Tools Settings