'{pm_email_notify} holds private message email notification settings for each user ', 'fields' => array( 'user_id' => array( 'description' => 'ID of the user', 'type' => 'int', 'not null' => TRUE, 'unsigned' => TRUE, ), 'email_notify_is_enabled' => array( 'description' => 'Email Notification Status (Enabled=1, Disabled=0)', 'type' => 'int', 'not null' => TRUE, 'unsigned' => TRUE, ), ), 'unique keys' => array( 'user_id' => array('user_id') ), ); return $schema; } /** * Implement hook_uninstall(). */ function pm_email_notify_uninstall() { variable_del('pm_email_notify_body'); variable_del('pm_email_notify_default'); variable_del('pm_email_notify_subject'); }